{"id":11485,"date":"2026-06-25T06:34:34","date_gmt":"2026-06-25T06:34:34","guid":{"rendered":"https:\/\/weldomachining.com\/?p=11485"},"modified":"2026-06-25T06:39:11","modified_gmt":"2026-06-25T06:39:11","slug":"steel-strength","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ja\/steel-strength\/","title":{"rendered":"\u92fc\u306e\u5f37\u5ea6\u30ac\u30a4\u30c9\uff1a\u7a2e\u985e\u3001\u7279\u6027\u3001\u7528\u9014"},"content":{"rendered":"<p>\u6a5f\u68b0\u52a0\u5de5\u3084\u65b0\u88fd\u54c1\u306e\u8a2d\u8a08\u306b\u304a\u3044\u3066\u3001\u92fc\u6750\u306e\u9078\u5b9a\u306f\u3001\u90e8\u54c1\u306e\u5f37\u5ea6\u3001\u52a0\u5de5\u306e\u96e3\u6613\u5ea6\u3001\u8010\u7528\u5e74\u6570\u3001\u304a\u3088\u3073\u88fd\u9020\u30b3\u30b9\u30c8\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002 \u30a8\u30f3\u30b8\u30cb\u30a2\u3001\u8cfc\u8cb7\u62c5\u5f53\u8005\u3001\u88fd\u54c1\u8a2d\u8a08\u8005\u304c\u92fc\u6750\u306e\u6027\u80fd\u3092\u3088\u308a\u6df1\u304f\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u3001\u672c\u8a18\u4e8b\u3067\u306f\u5f15\u5f35\u5f37\u5ea6\u3001\u964d\u4f0f\u5f37\u5ea6\u3001\u8010\u4e45\u5f37\u5ea6\u3068\u3044\u3063\u305f\u4e3b\u8981\u306a\u5f37\u5ea6\u6307\u6a19\u306b\u3064\u3044\u3066\u89e3\u8aac\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u4e00\u822c\u7684\u306a\u92fc\u7a2e\u3084\u4ee3\u8868\u7684\u306a\u90e8\u54c1\u306e\u7528\u9014\u306b\u3064\u3044\u3066\u3082\u5206\u6790\u3057\u307e\u3059\u3002\u672c\u8a18\u4e8b\u306f\u3001\u6750\u6599\u9078\u5b9a\u3084\u52a0\u5de5\u5de5\u7a0b\u306e\u8a08\u753b\u7acb\u6848\u306b\u5f79\u7acb\u3064\u5b9f\u7528\u7684\u306a\u53c2\u8003\u8cc7\u6599\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"600\" height=\"367\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-strength.webp\" alt=\"\u92fc\u306e\u5f37\u5ea6\" class=\"wp-image-11486\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-strength.webp 600w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-strength-300x184.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-strength-18x12.webp 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u300c\u92fc\u306e\u5f37\u5ea6\u300d\u30bf\u30a4\u30d7<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u3068\u306f\u3001\u92fc\u304c\u660e\u3089\u304b\u306a\u5851\u6027\u5909\u5f62\u3001\u3059\u306a\u308f\u3061\u6052\u4e45\u7684\u306a\u5909\u5f62\u3092\u8d77\u3053\u3057\u59cb\u3081\u308b\u5fdc\u529b\u306e\u3053\u3068\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u92fc\u304c\u5909\u5f62\u306b\u62b5\u6297\u3059\u308b\u80fd\u529b\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u901a\u5e38\u3001\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002 <strong>\u03c3y = Fy \/ A0<\/strong>, \u305d\u3053\u3067 <strong>Fy<\/strong> \u3053\u308c\u306f\u964d\u4f0f\u8377\u91cd\u3067\u3042\u308a\u3001 <strong>A0<\/strong> \u306f\u5143\u306e\u65ad\u9762\u7a4d\u3067\u3042\u308b\u3002\u4e00\u822c\u7684\u306a\u5358\u4f4d\u306f <strong>MPa<\/strong> \u307e\u305f\u306f <strong>N\/mm\u00b2<\/strong>.<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u3001\u4f7f\u7528\u4e2d\u306b\u6052\u4e45\u7684\u306a\u66f2\u3052\u3001\u5f15\u5f35\u3001\u307e\u305f\u306f\u5727\u7e2e\u5909\u5f62\u304c\u751f\u3058\u308b\u306e\u3092\u9632\u3050\u305f\u3081\u3001\u8a2d\u8a08\u5fdc\u529b\u306f\u964d\u4f0f\u5f37\u5ea6\u4ee5\u4e0b\u306b\u6291\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u660e\u78ba\u306a\u964d\u4f0f\u70b9\u3092\u6301\u305f\u306a\u3044\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3084\u9ad8\u5f37\u5ea6\u92fc\u306e\u5834\u5408\u3001 <strong>0.2% \u5f15\u5f35\u5f37\u5ea6\u3001Rp0.2<\/strong>, \u306f\u901a\u5e38\u3001\u964d\u4f0f\u70b9\u3092\u8868\u3059\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"700\" height=\"584\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Steel-yield-strength-stress-curve.webp\" alt=\"\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u5fdc\u529b\u66f2\u7dda\" class=\"wp-image-11487\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Steel-yield-strength-stress-curve.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Steel-yield-strength-stress-curve-300x250.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Steel-yield-strength-stress-curve-14x12.webp 14w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p><strong>\u5f71\u97ff\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u70ad\u7d20\u3001\u30de\u30f3\u30ac\u30f3\u3001\u30b1\u30a4\u7d20\u306a\u3069\u306e\u5143\u7d20\u306f\u3001\u7d50\u6676\u683c\u5b50\u306b\u6eb6\u3051\u8fbc\u307f\u3001\u683c\u5b50\u6b6a\u307f\u3092\u5f15\u304d\u8d77\u3053\u3059\u3053\u3068\u3067\u3001\u56fa\u6eb6\u5f37\u5316\u3092\u901a\u3058\u3066\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff1b;<\/p>\n\n\n\n<p>\u30cb\u30aa\u30d6\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u3001\u30c1\u30bf\u30f3\u306a\u3069\u306e\u5fae\u91cf\u5408\u91d1\u5143\u7d20\u306f\u3001\u5fae\u7d30\u306a\u70ad\u5316\u7269\u3084\u7a92\u5316\u7269\u306e\u7c92\u5b50\u3092\u5f62\u6210\u3057\u3001\u8ee2\u4f4d\u3092\u56fa\u5b9a\u3057\u3001\u7d50\u6676\u7c92\u306e\u6210\u9577\u3092\u6291\u5236\u3059\u308b\u3053\u3068\u3067\u3001\u5f37\u5ea6\u3092\u3055\u3089\u306b\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<p>\u5bfe\u7167\u7684\u306b\u3001\u30ea\u30f3\u3084\u786b\u9ec4\u306a\u3069\u306e\u4e0d\u7d14\u7269\u5143\u7d20\u306f\u3001\u7c92\u754c\u306b\u5206\u96e2\u3057\u305f\u308a\u3001\u4ecb\u5728\u7269\u3092\u5f62\u6210\u3057\u305f\u308a\u3059\u308b\u50be\u5411\u304c\u3042\u308a\u3001\u3053\u308c\u306b\u3088\u308a\u7c92\u754c\u7d50\u5408\u304c\u5f31\u307e\u308a\u3001\u8106\u3055\u304c\u5897\u3057\u3001\u5b9f\u969b\u306e\u4f7f\u7528\u306b\u304a\u3044\u3066\u92fc\u306e\u5b89\u5b9a\u3057\u305f\u8010\u8377\u91cd\u80fd\u529b\u304c\u4f4e\u4e0b\u3059\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u5f15\u5f35\u5f37\u3055\u3068\u306f\u3001\u6a19\u6e96\u7684\u306a\u5f15\u5f35\u8a66\u9a13\u306b\u304a\u3044\u3066\u3001\u92fc\u304c\u7834\u65ad\u3059\u308b\u524d\u306b\u8010\u3048\u3046\u308b\u6700\u5927\u5de5\u5b66\u5fdc\u529b\u3092\u6307\u3057\u3001\u901a\u5e38\u306f\u6b21\u306e\u3088\u3046\u306b\u7b97\u51fa\u3055\u308c\u308b\u3002 <strong>\u03c3b = Fmax \/ A0<\/strong>, \u305d\u3053\u3067 <strong>Fmax<\/strong> \u306f\u6700\u5927\u5f15\u5f35\u8377\u91cd\u3067\u3042\u308a\u3001 <strong>A0<\/strong> \u306f\u5143\u306e\u65ad\u9762\u7a4d\u3067\u3042\u308b\u3002\u4e00\u822c\u7684\u306a\u5358\u4f4d\u306f <strong>MPa<\/strong> \u307e\u305f\u306f <strong>N\/mm\u00b2<\/strong>. \u3002\u3053\u308c\u306f\u3001\u92fc\u306e\u6975\u9650\u5f15\u5f35\u5f37\u5ea6\u3068\u3082\u547c\u3070\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u6750\u6599\u304c\u5747\u4e00\u306a\u5851\u6027\u5909\u5f62\u304b\u3089\u5c40\u6240\u7684\u306a\u5909\u5f62\u3001\u3059\u306a\u308f\u3061\u30cd\u30c3\u30ad\u30f3\u30b0\u3078\u3068\u79fb\u884c\u3059\u308b\u81e8\u754c\u70b9\u3092\u793a\u3057\u3001\u9759\u7684\u5f15\u5f35\u8377\u91cd\u4e0b\u306b\u304a\u3051\u308b\u6750\u6599\u306e\u6700\u5927\u8010\u8377\u91cd\u9650\u754c\u3092\u8868\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"700\" height=\"382\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a36-tensile-strength-curve-.webp\" alt=\"\" class=\"wp-image-11489\" style=\"width:650px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a36-tensile-strength-curve-.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a36-tensile-strength-curve--300x164.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a36-tensile-strength-curve--18x10.webp 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p><strong>\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u70ad\u7d20\u542b\u6709\u91cf\u3092\u9069\u5207\u306b\u5897\u3084\u3059\u3053\u3068\u3067\u5f15\u5f35\u5f37\u5ea6\u306f\u5411\u4e0a\u3059\u308b\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf\u304c\u904e\u5ea6\u306b\u9ad8\u304f\u306a\u308b\u3068\u5ef6\u6027\u3068\u976d\u6027\u304c\u4f4e\u4e0b\u3057\u3001\u3055\u3089\u306b\u306f\u92fc\u304c\u8106\u5316\u3057\u3066\u5f15\u5f35\u6027\u80fd\u304c\u4f4e\u4e0b\u3059\u308b\u6050\u308c\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u30de\u30f3\u30ac\u30f3\u3001\u30b1\u30a4\u7d20\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u306f\u3001\u56fa\u6eb6\u5f37\u5316\u3001\u70ad\u5316\u7269\u5f37\u5316\u3001\u304a\u3088\u3073\u7d50\u6676\u7c92\u5fae\u7d30\u5316\u3092\u901a\u3058\u3066\u3001\u92fc\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff1b;<\/p>\n\n\n\n<p>\u30cb\u30c3\u30b1\u30eb\u306f\u3001\u826f\u597d\u306a\u5ef6\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u5f37\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u3001\u307e\u305f\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u304a\u3044\u3066\u306f\u3001\u7a92\u7d20\u304c\u8457\u3057\u3044\u9593\u9699\u56fa\u6eb6\u5f37\u5316\u52b9\u679c\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u5bfe\u7167\u7684\u306b\u3001\u786b\u9ec4\u3001\u30ea\u30f3\u3001\u9178\u7d20\u306a\u3069\u306e\u6709\u5bb3\u306a\u4e0d\u7d14\u7269\u306f\u3001\u5bb9\u6613\u306b\u4ecb\u5728\u7269\u3092\u5f62\u6210\u3057\u305f\u308a\u3001\u7c92\u754c\u504f\u6790\u3092\u5f15\u304d\u8d77\u3053\u3057\u305f\u308a\u3057\u3066\u3001\u6750\u6599\u306e\u9023\u7d9a\u6027\u3084\u976d\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u3001\u92fc\u306e\u5b9f\u969b\u306e\u5f15\u5f35\u5f37\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u305b\u3093\u65ad\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u92fc\u306e\u305b\u3093\u65ad\u5f37\u5ea6\u306f\u3001\u305b\u3093\u65ad\u529b\u304c\u304b\u304b\u3063\u305f\u969b\u306b\u3001\u96a3\u63a5\u3059\u308b\u65ad\u9762\u9593\u306e\u76f8\u5bfe\u7684\u306a\u6ed1\u308a\u3001\u305b\u3093\u65ad\u5909\u5f62\u3001\u307e\u305f\u306f\u305b\u3093\u65ad\u7834\u58ca\u306b\u92fc\u304c\u8010\u3048\u308b\u3053\u3068\u306e\u3067\u304d\u308b\u6700\u5927\u5fdc\u529b\u5024\u3092\u6307\u3057\u3001\u901a\u5e38\u306f\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u308b\u3002 <strong>\u03c4 = F \/ A<\/strong>, \u305d\u3053\u3067 <strong>F<\/strong> \u306f\u305b\u3093\u65ad\u529b\u3067\u3042\u308a\u3001 <strong>A<\/strong> \u306f\u305b\u3093\u65ad\u9762\u7a4d\u3067\u3059\u3002\u4e00\u822c\u7684\u306a\u5358\u4f4d\u306f <strong>MPa<\/strong> \u307e\u305f\u306f <strong>N\/mm\u00b2<\/strong>. \u3002\u3053\u308c\u306f\u3001\u30dc\u30eb\u30c8\u3001\u30ea\u30d9\u30c3\u30c8\u3001\u30d4\u30f3\u3001\u6eb6\u63a5\u90e8\u3001\u63a5\u7d9a\u30d7\u30ec\u30fc\u30c8\u306a\u3069\u306e\u305b\u3093\u65ad\u8377\u91cd\u3092\u53d7\u3051\u308b\u90e8\u6750\u306e\u8010\u8377\u91cd\u80fd\u529b\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u91cd\u8981\u306a\u6307\u6a19\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"382\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-Shear-strength-curve.webp\" alt=\"\" class=\"wp-image-11490\" style=\"width:650px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-Shear-strength-curve.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-Shear-strength-curve-300x164.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/steel-Shear-strength-curve-18x10.webp 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p><strong>\u92fc\u306e\u305b\u3093\u65ad\u5f37\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u70ad\u7d20\u542b\u6709\u91cf\u3092\u5897\u3084\u3059\u3053\u3068\u3067\u3001\u305b\u3093\u65ad\u7834\u58ca\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u9593\u63a5\u7684\u306b\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff1b;<\/p>\n\n\n\n<p>\u30de\u30f3\u30ac\u30f3\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u306f\u3001\u56fa\u6eb6\u5f37\u5316\u3001\u7d50\u6676\u7c92\u5fae\u7d30\u5316\u3001\u304a\u3088\u3073\u7d44\u7e54\u5b89\u5b9a\u6027\u306e\u5411\u4e0a\u3092\u901a\u3058\u3066\u3001\u305b\u3093\u65ad\u62b5\u6297\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002.<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001\u30ea\u30f3\u3084\u786b\u9ec4\u306a\u3069\u306e\u6709\u5bb3\u306a\u4e0d\u7d14\u7269\u306f\u3001\u8106\u6027\u4ecb\u5728\u7269\u3092\u5f62\u6210\u3057\u305f\u308a\u3001\u7d50\u6676\u7c92\u754c\u306e\u7d50\u5408\u3092\u5f31\u3081\u305f\u308a\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u305b\u3093\u65ad\u8377\u91cd\u304c\u304b\u304b\u3063\u305f\u969b\u306b\u92fc\u306b\u4e80\u88c2\u3084\u8106\u6027\u7834\u58ca\u304c\u751f\u3058\u3084\u3059\u304f\u306a\u308a\u3001\u305b\u3093\u65ad\u5f37\u5ea6\u3084\u976d\u6027\u304c\u4f4e\u4e0b\u3057\u3066\u3057\u307e\u3046\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u8010\u4e45\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u201c\u300c\u8010\u4e45\u5f37\u5ea6\u300d\u306f\u3001\u6a19\u6e96\u7684\u306a\u72ec\u7acb\u3057\u305f\u6a5f\u68b0\u7684\u7279\u6027\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u308c\u306f\u3001\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5f37\u5ea6\u3068\u75b2\u52b4\u5f37\u5ea6\u306e\u4e21\u65b9\u3067\u6c7a\u5b9a\u3055\u308c\u3001\u3053\u308c\u30892\u3064\u304c\u76f8\u307e\u3063\u3066\u3001\u9577\u671f\u4f7f\u7528\u6761\u4ef6\u4e0b\u306b\u304a\u3051\u308b\u92fc\u6750\u306e\u5b89\u5168\u306a\u8010\u7528\u5e74\u6570\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002\u5358\u4e00\u306e\u56fa\u5b9a\u5024\u3067\u306f\u306a\u3044\u305f\u3081\u3001\u901a\u5e38\u306f\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5fdc\u529b\u307e\u305f\u306f\u75b2\u52b4\u5f37\u5ea6\u306b\u3088\u3063\u3066\u8a55\u4fa1\u3055\u308c\u3001\u4e00\u822c\u7684\u306b\u306f\u6b21\u306e\u3088\u3046\u306b\u8868\u3055\u308c\u307e\u3059\u3002 <strong>\u03c3 = F \/ A0<\/strong> \u307e\u305f\u306f\u5fdc\u529b\u306e\u632f\u5e45 <strong>\u03c3a = (\u03c3max \u2013 \u03c3min) \/ 2<\/strong>, \u3001\u5358\u4f4d\u306f <strong>MPa<\/strong> \u307e\u305f\u306f <strong>N\/mm\u00b2<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5f37\u5ea6\uff1a<\/strong><strong><\/strong><\/h4>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u7279\u5b9a\u306e\u9ad8\u6e29\u6761\u4ef6\u4e0b\u3067\u4e00\u5b9a\u306e\u5f15\u5f35\u5fdc\u529b\u304c\u52a0\u3048\u3089\u308c\u305f\u72b6\u614b\u306b\u304a\u3044\u3066\u3001\u92fc\u304c\u7834\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u8010\u3048\u3046\u308b\u6700\u5927\u5fdc\u529b\u5024\u3092\u6307\u3057\u3001\u901a\u5e38\u300110\u4e07\u6642\u9593\uff08\u7d0411.4\u5e74\uff09\u306e\u671f\u9593\u306b\u308f\u305f\u308a\u6e2c\u5b9a\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u4e3b\u306b\u3001\u6750\u6599\u306e\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u53cd\u6620\u3059\u308b\u3082\u306e\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u92fc\u306e\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5f37\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u3001\u30cb\u30aa\u30d6\u3001\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u306a\u3069\u306e\u5143\u7d20\u306f\u3001\u56fa\u6eb6\u5f37\u5316\u3001\u6790\u51fa\u5f37\u5316\u3001\u304a\u3088\u3073\u5b89\u5b9a\u3057\u305f\u70ad\u5316\u7269\u3084\u7a92\u5316\u7269\u306e\u5f62\u6210\u3092\u901a\u3058\u3066\u3001\u9ad8\u6e29\u306b\u304a\u3051\u308b\u92fc\u306e\u5fae\u7d30\u7d44\u7e54\u306e\u5b89\u5b9a\u6027\u3084\u30af\u30ea\u30fc\u30d7\u62b5\u6297\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002 \u4e00\u65b9\u3001\u30ea\u30f3\u3084\u786b\u9ec4\u306a\u3069\u306e\u4e0d\u7d14\u7269\u4ecb\u5728\u7269\u306f\u3001\u9ad8\u6e29\u4e0b\u3067\u5bb9\u6613\u306b\u4e80\u88c2\u306e\u767a\u751f\u6e90\u3068\u306a\u308a\u3001\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5f37\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u92fc\u306e\u75b2\u52b4\u5f37\u5ea6<\/strong><strong><\/strong><\/h4>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u92fc\u304c\u5468\u671f\u7684\u306a\u4ea4\u4e92\u5fdc\u529b\u4e0b\u3067\u3001\u7121\u9650\u306e\u30b5\u30a4\u30af\u30eb\u6570\uff08\u901a\u5e38\u306f10^7\u30b5\u30a4\u30af\u30eb\uff09\u306b\u308f\u305f\u3063\u3066\u7834\u65ad\u3059\u308b\u3053\u3068\u306a\u304f\u8010\u3048\u3046\u308b\u6700\u5927\u5fdc\u529b\u5024\u3092\u6307\u3059\u3002\u660e\u78ba\u306a\u75b2\u52b4\u9650\u754c\u3092\u6301\u305f\u306a\u3044\u6750\u6599\u306e\u5834\u5408\u3001\u3053\u308c\u306f\u300110^7\u30b5\u30a4\u30af\u30eb\u306a\u3069\u306e\u6240\u5b9a\u306e\u30b5\u30a4\u30af\u30eb\u6570\u306b\u304a\u3044\u3066\u7834\u65ad\u304c\u751f\u3058\u306a\u3044\u5fdc\u529b\u3092\u6307\u3059\u3002.<\/p>\n\n\n\n<p>\u5f71\u97ff\u8981\u56e0\uff1a<\/p>\n\n\n\n<p>\u70ad\u7d20\u3084\u3001Mn\u3001Cr\u3001Mo\u3001V\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u306f\u3001\u56fa\u6eb6\u5f37\u5316\u3084\u5fae\u7d30\u7d50\u6676\u7c92\u5f37\u5316\u306a\u3069\u306e\u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u901a\u3058\u3066\u3001\u75b2\u52b4\u5f37\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u3057\u304b\u3057\u3001\u9178\u5316\u7269\u3084\u786b\u5316\u7269\u306a\u3069\u306e\u975e\u91d1\u5c5e\u4ecb\u5728\u7269\u306f\u3001\u5185\u90e8\u5fdc\u529b\u96c6\u4e2d\u6e90\u3092\u5f62\u6210\u3057\u3001\u75b2\u52b4\u304d\u88c2\u306e\u767a\u751f\u3092\u4fc3\u9032\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u75b2\u52b4\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u306b\u306f\u9ad8\u6e05\u6d44\u5ea6\u306e\u92fc\u304c\u3088\u308a\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"382\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/fatigue-strength-curve-of-steel.webp\" alt=\"\" class=\"wp-image-11491\" style=\"width:650px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/fatigue-strength-curve-of-steel.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/fatigue-strength-curve-of-steel-300x164.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/fatigue-strength-curve-of-steel-18x10.webp 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u7834\u58ca\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u7834\u65ad\u5f37\u5ea6\u306f\u3001\u5f15\u5f35\u8a66\u9a13\u4e2d\u306b\u7834\u65ad\u304c\u767a\u751f\u3057\u305f\u77ac\u9593\u306b\u76f8\u5f53\u3059\u308b\u5fdc\u529b\u5024\u3092\u6307\u3057\u3001\u6750\u6599\u304c\u6700\u7d42\u7684\u306b\u7834\u58ca\u3055\u308c\u308b\u524d\u306e\u6700\u5927\u8010\u8377\u91cd\u80fd\u529b\u3092\u793a\u3059\u3002\u3053\u308c\u306f\u3001\u8a66\u9a13\u7247\u304c\u5b9f\u969b\u306b\u7834\u65ad\u3059\u308b\u5fdc\u529b\u3067\u3042\u308b\u3002 \u4f4e\u70ad\u7d20\u92fc\u306a\u3069\u306e\u5ef6\u6027\u306e\u3042\u308b\u92fc\u306e\u5834\u5408\u3001\u7834\u65ad\u524d\u306b\u30cd\u30c3\u30ad\u30f3\u30b0\u304c\u751f\u3058\u308b\u305f\u3081\u3001\u5de5\u5b66\u4e0a\u306e\u7834\u65ad\u5f37\u5ea6\u306f\u901a\u5e38\u3001\u5f15\u5f35\u5f37\u5ea6\u3088\u308a\u3082\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u3088\u308a\u8106\u3044\u92fc\u306e\u5834\u5408\u3001\u7834\u65ad\u5f37\u5ea6\u306f\u5f15\u5f35\u5f37\u5ea6\u306b\u6bd4\u8f03\u7684\u8fd1\u3044\u5024\u3068\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u5f71\u97ff\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u70ad\u7d20\u542b\u6709\u91cf\u306e\u5897\u52a0\u306f\u901a\u5e38\u3001\u5f37\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u304c\u3001\u5ef6\u6027\u3068\u976d\u6027\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u3002\u30de\u30f3\u30ac\u30f3\u3084\u30cb\u30c3\u30b1\u30eb\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u306f\u976d\u6027\u306e\u5411\u4e0a\u306b\u5bc4\u4e0e\u3059\u308b\u4e00\u65b9\u3001\u30ea\u30f3\u3084\u786b\u9ec4\u3001\u304a\u3088\u3073\u9178\u5316\u7269\u3084\u786b\u5316\u7269\u306a\u3069\u306e\u975e\u91d1\u5c5e\u4ecb\u5728\u7269\u306f\u3001\u7c92\u754c\u504f\u6790\u3092\u5f15\u304d\u8d77\u3053\u3057\u305f\u308a\u3001\u304d\u88c2\u306e\u767a\u751f\u6e90\u3068\u306a\u3063\u305f\u308a\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u7834\u58ca\u62b5\u6297\u3092\u8457\u3057\u304f\u4f4e\u4e0b\u3055\u305b\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u92fc\u306e\u5727\u7e2e\u5f37\u5ea6<\/strong><strong><\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"382\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Compressive-strength-for-steel-curve.webp\" alt=\"\" class=\"wp-image-11492\" style=\"width:650px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Compressive-strength-for-steel-curve.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Compressive-strength-for-steel-curve-300x164.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/Compressive-strength-for-steel-curve-18x10.webp 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p>\u5727\u7e2e\u5f37\u5ea6\u306f\u3001\u92fc\u6750\u304c\u7834\u65ad\u3001\u5ea7\u5c48\u3001\u307e\u305f\u306f\u904e\u5ea6\u306e\u5851\u6027\u5909\u5f62\u3092\u8d77\u3053\u3059\u524d\u306b\u3001\u5727\u7e2e\u8377\u91cd\u306e\u4e0b\u3067\u8010\u3048\u3046\u308b\u6700\u5927\u5fdc\u529b\u3092\u6307\u3057\u307e\u3059\u3002\u901a\u5e38\u3001\u6b21\u306e\u3088\u3046\u306b\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002 <strong>\u03c3c = Fmax \/ A0<\/strong>, \u305d\u3053\u3067 <strong>Fmax<\/strong> \u306f\u6700\u5927\u5727\u7e2e\u8377\u91cd\u3067\u3042\u308a\u3001 <strong>A0<\/strong> \u306f\u5143\u306e\u65ad\u9762\u7a4d\u3067\u3042\u308a\u3001\u5358\u4f4d\u306f <strong>MPa<\/strong> \u307e\u305f\u306f <strong>N\/mm\u00b2<\/strong>. \u92fc\u306a\u3069\u306e\u5ef6\u6027\u6750\u6599\u306e\u5834\u5408\u3001\u901a\u5e38\u3001\u7a81\u7136\u306e\u7834\u65ad\u3067\u306f\u306a\u304f\u5851\u6027\u5909\u5f62\u3084\u81a8\u308c\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u305d\u306e\u5727\u7e2e\u5f37\u5ea6\u306f\u4e00\u822c\u7684\u306b\u5f15\u5f35\u5f37\u5ea6\u306b\u8fd1\u3044\u304b\u3001\u3042\u308b\u3044\u306f\u305d\u308c\u3088\u308a\u308f\u305a\u304b\u306b\u9ad8\u3044\u3002.<\/p>\n\n\n\n<p><strong>\u5f71\u97ff\u8981\u56e0\uff1a<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u70ad\u7d20\u542b\u6709\u91cf\u3092\u5897\u3084\u3059\u3068\u3001\u92fc\u306e\u5727\u7e2e\u5f37\u5ea6\u306f\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u5ef6\u6027\u3068\u976d\u6027\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u30de\u30f3\u30ac\u30f3\u3001 \u30b1\u30a4\u7d20\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u306f\u3001\u56fa\u6eb6\u5f37\u5316\u3084\u70ad\u5316\u7269\u306e\u5f62\u6210\u3092\u901a\u3058\u3066\u6bcd\u6750\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u4e00\u65b9\u3001\u30ea\u30f3\u3084\u786b\u9ec4\u306a\u3069\u306e\u4e0d\u7d14\u7269\u3084\u4ecb\u5728\u7269\u306f\u3001\u6750\u6599\u306e\u9023\u7d9a\u6027\u3092\u640d\u306a\u3044\u3001\u5727\u7e2e\u5f37\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u6bd4\u8f03\u6982\u8981\u8868<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u30d1\u30e9\u30e1\u30fc\u30bf\u540d<\/strong><strong><\/strong><\/td><td><strong>\u4e2d\u6838\u306e\u5b9a\u7fa9<\/strong><strong><\/strong><\/td><td><strong>\u4e3b\u306a\u5de5\u5b66\u7684\u610f\u7fa9<\/strong><strong><\/strong><\/td><\/tr><tr><td>\u964d\u4f0f\u5f37\u5ea6<\/td><td>\u5851\u6027\u5909\u5f62\u304c\u59cb\u307e\u308b\u81e8\u754c\u5fdc\u529b<\/td><td>\u6052\u4e45\u7684\u306a\u69cb\u9020\u5909\u5f62\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u8a2d\u8a08\u57fa\u6e96<\/td><\/tr><tr><td>\u5f15\u5f35\u5f37\u5ea6<\/td><td>\u5f15\u5f35\u7834\u58ca\u306b\u81f3\u308b\u307e\u3067\u306e\u6700\u5927\u5fdc\u529b<\/td><td>\u6750\u6599\u306e\u6700\u5927\u8010\u8377\u91cd\u304a\u3088\u3073\u5b89\u5168\u4f59\u88d5<\/td><\/tr><tr><td>\u305b\u3093\u65ad\u5f37\u5ea6<\/td><td>\u305b\u3093\u65ad\u6ed1\u308a\u7834\u58ca\u306b\u8010\u3048\u308b\u6700\u5927\u305b\u3093\u65ad\u5fdc\u529b<\/td><td>\u30b3\u30cd\u30af\u30bf\u304a\u3088\u3073\u305b\u3093\u65ad\u62b5\u6297\u90e8\u54c1\u306e\u8a2d\u8a08\u57fa\u6e96<\/td><\/tr><tr><td>\u6301\u4e45\u529b\u30fb\u7b4b\u529b<\/td><td>\u7e70\u8fd4\u3057\u8377\u91cd\u4e0b\u3067\u306e\u7834\u640d\u306b\u5bfe\u3059\u308b\u8010\u6027\uff08\u901a\u5e38\u306f\u75b2\u52b4\u5f37\u5ea6\u3092\u6307\u3059\uff09<\/td><td>\u632f\u52d5\u304a\u3088\u3073\u4ea4\u756a\u8377\u91cd\u3092\u53d7\u3051\u308b\u90e8\u54c1\u306e\u5bff\u547d\u8a2d\u8a08<\/td><\/tr><tr><td>\u7834\u58ca\u5f37\u5ea6<\/td><td>\u304d\u88c2\u306e\u9032\u5c55\u306b\u62b5\u6297\u3059\u308b\u80fd\u529b\uff08\u901a\u5e38\u306f\u7834\u58ca\u976d\u6027\u3092\u6307\u3059\uff09<\/td><td>\u6b20\u9665\u3092\u6709\u3059\u308b\u69cb\u9020\u7269\u306b\u304a\u3051\u308b\u8106\u6027\u7834\u58ca\u306b\u5bfe\u3059\u308b\u5b89\u5168\u6027\u8a55\u4fa1<\/td><\/tr><tr><td>\u5727\u7e2e\u5f37\u5ea6<\/td><td>\u5727\u7e2e\u8377\u91cd\u4e0b\u3067\u306e\u7834\u58ca\u524d\u306e\u6700\u5927\u5727\u7e2e\u5fdc\u529b<\/td><td>\u67f1\u3084\u57fa\u790e\u306a\u3069\u306e\u5727\u7e2e\u90e8\u6750\u306e\u8a2d\u8a08\u57fa\u6e96<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6a5f\u68b0\u52a0\u5de5\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u308b\u92fc\u7a2e<\/strong><strong><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u69cb\u9020\u7528\u92fc\u6750<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u69cb\u9020\u7528\u92fc\u306f\u3001\u9244\u3068\u70ad\u7d20\u3092\u4e3b\u6210\u5206\u3068\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7528\u92fc\u3067\u3042\u308a\u3001\u6240\u5b9a\u306e\u5f37\u5ea6\u3001\u5ef6\u6027\u3001\u304a\u3088\u3073\u6210\u5f62\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u4e3b\u306b\u3001\u5efa\u7269\u306e\u8010\u529b\u90e8\u6750\u3001\u6a5f\u68b0\u90e8\u54c1\u3001\u304a\u3088\u3073\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7528\u69cb\u9020\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u306e\u4e3b\u306a\u8981\u4ef6\u306f\u3001\u512a\u308c\u305f\u8010\u8377\u91cd\u80fd\u529b\u3067\u3042\u308b\u3068\u540c\u6642\u306b\u3001\u976d\u6027\u3001\u6eb6\u63a5\u6027\u3001\u304a\u3088\u3073\u6a5f\u68b0\u52a0\u5de5\u6027\u3082\u8003\u616e\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002 \u4e00\u822c\u7684\u306b\u306f\u3001\u70ad\u7d20\u69cb\u9020\u7528\u92fc\u3068\u5408\u91d1\u69cb\u9020\u7528\u92fc\u306b\u5206\u985e\u3055\u308c\u308b\u3002.<\/p>\n\n\n\n<p><strong>A36\u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u306e\u964d\u4f0f\u5f37\u5ea6\u306f <a href=\"https:\/\/en.wikipedia.org\/wiki\/A36_steel\" target=\"_blank\" rel=\"noopener\">A36\u92fc <\/a>\u306f250 MPa\u4ee5\u4e0a\u3067\u3042\u308b\u3002A36\u92fc\u677f\u306e\u539a\u3055\u304c203 mm\u3092\u8d85\u3048\u308b\u5834\u5408\u3001\u5fc5\u8981\u306a\u964d\u4f0f\u5f37\u5ea6\u306f220 MPa\u4ee5\u4e0a\u3068\u306a\u308b\u3002\u3053\u308c\u306f\u666e\u901a\u5f37\u5ea6\u69cb\u9020\u7528\u92fc\u306b\u5c5e\u3059\u308b\u3002 \u9ad8\u5f37\u5ea6\u3001\u9ad8\u5727\u3001\u9ad8\u6e29\u3001\u91cd\u8377\u91cd\u3001\u307e\u305f\u306f\u4f4e\u6e29\u306e\u91cd\u8981\u306a\u8377\u91cd\u3092\u53d7\u3051\u308b\u7b87\u6240\u306b\u3064\u3044\u3066\u306f\u3001A572\u3084A588\u306a\u3069\u306e\u92fc\u6750\u3092\u691c\u8a0e\u3059\u3079\u304d\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>A36\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f400\uff5e550 MPa\u3067\u3042\u308a\u3001\u4e00\u822c\u7684\u306a\u5efa\u7bc9\u69cb\u9020\u7269\u3001\u30d6\u30e9\u30b1\u30c3\u30c8\u3001\u30d9\u30fc\u30b9\u30d7\u30ec\u30fc\u30c8\u3001\u63a5\u7d9a\u91d1\u5177\u3001\u304a\u3088\u3073\u901a\u5e38\u306e\u6a5f\u68b0\u69cb\u9020\u90e8\u54c1\u306e\u8010\u8377\u91cd\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p>A36\u92fc\u306e\u305b\u3093\u65ad\u5f37\u5ea6\u306b\u3064\u3044\u3066\u3001\u76f4\u63a5\u898f\u5b9a\u3055\u308c\u305f\u6a19\u6e96\u5024\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002\u5b9f\u52d9\u4e0a\u3001\u901a\u5e38\u306f\u5f15\u5f35\u5f37\u5ea6\u306e0.6\u500d\u3001\u3059\u306a\u308f\u3061\u7d04240\uff5e330 MPa\u3068\u63a8\u5b9a\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>A992 \u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p>A992\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u306f345 MPa\u4ee5\u4e0a\u3067\u3042\u308a\u3001\u4e2d\uff5e\u9ad8\u5f37\u5ea6\u306e\u69cb\u9020\u7528\u92fc\u6750\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002 A36\u3068\u6bd4\u8f03\u3057\u3066\u3001A992\u306f\u3088\u308a\u9ad8\u3044\u8010\u8377\u91cd\u80fd\u529b\u3068\u512a\u308c\u305f\u5f37\u5ea6\u30fb\u976d\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u5efa\u7bc9\u7528\u6881\u3001\u92fc\u67f1\u3001\u6a4b\u6881\u69cb\u9020\u7269\u3001\u91cd\u8377\u91cd\u7528\u30d5\u30ec\u30fc\u30e0\u306a\u3069\u306e\u8010\u8377\u91cd\u90e8\u6750\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>A992\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u901a\u5e38\u3001450\uff5e620 MPa\u3067\u3059\u3002\u3053\u306e\u92fc\u6750\u306f\u3001\u5f15\u5f35\u3001\u5727\u7e2e\u3001\u304a\u3088\u3073\u66f2\u3052\u8377\u91cd\u4e0b\u3067\u306e\u5909\u5f62\u306b\u5bfe\u3059\u308b\u8010\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002A992\u92fc\u306f\u3001\u5f37\u5ea6\u3001\u6eb6\u63a5\u6027\u3001\u304a\u3088\u3073\u69cb\u9020\u7684\u5b89\u5b9a\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5efa\u7bc9\u7528\u304a\u3088\u3073\u571f\u6728\u7528\u306e\u9244\u9aa8\u69cb\u9020\u7269\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"466\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a992-steel.webp\" alt=\"a992 \u92fc\u68d2\" class=\"wp-image-11493\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a992-steel.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a992-steel-300x200.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/a992-steel-18x12.webp 18w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u70ad\u7d20\u92fc<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u70ad\u7d20\u92fc\u306f\u3001\u4e3b\u306b\u9244\u3068\u70ad\u7d20\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u4ed6\u306e\u5408\u91d1\u5143\u7d20\u3092\u610f\u56f3\u7684\u306b\u6dfb\u52a0\u3057\u3066\u3044\u306a\u3044\u9244\u30fb\u70ad\u7d20\u5408\u91d1\u3067\u3059\u3002\u305d\u306e\u70ad\u7d20\u542b\u6709\u91cf\u306f\u3001\u4e00\u822c\u7684\u306b0.02%\u304b\u30892.11%\u306e\u7bc4\u56f2\u306b\u3042\u308a\u307e\u3059\u3002 \u70ad\u7d20\u542b\u6709\u91cf\u3084\u71b1\u51e6\u7406\u5de5\u7a0b\u306b\u3088\u3063\u3066\u3001\u6750\u6599\u7279\u6027\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u70ad\u7d20\u542b\u6709\u91cf\u306b\u5fdc\u3058\u3066\u3001\u4f4e\u70ad\u7d20\u92fc\u3001\u4e2d\u70ad\u7d20\u92fc\u3001\u9ad8\u70ad\u7d20\u92fc\u306e3\u7a2e\u985e\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>1018\u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p>1018\u756a\u8edf\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u306f210 MPa\u4ee5\u4e0a\uff08\u7d0430 ksi\uff09\u3067\u3042\u308a\u3001\u5b9f\u969b\u306e\u7bc4\u56f2\u306f\u7d04210\uff5e275 MPa\u3067\u3059\u3002 \u51b7\u9593\u5f15\u629c\u304d\u72b6\u614b\uff08C1018\uff09\u3067\u306f\u3001\u964d\u4f0f\u5f37\u5ea6\u306f370 MPa\uff08\u7d0453 ksi\uff09\u4ee5\u4e0a\u306b\u307e\u3067\u4e0a\u6607\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u306a\u3069\u306e\u71b1\u51e6\u7406\u3092\u65bd\u3059\u3068\u3001\u5f37\u5ea6\u306f\u3055\u3089\u306b\u5411\u4e0a\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u4ee3\u511f\u3068\u3057\u3066\u3001\u901a\u5e38\u3001\u5ef6\u6027\u3084\u6210\u5f62\u6027\u304c\u591a\u5c11\u72a0\u7272\u306b\u306a\u308a\u307e\u3059\u30021018\u92fc\u306f\u3001\u9ad8\u5f37\u5ea6\u3068\u3044\u3046\u3088\u308a\u306f\u3001\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3001\u51b7\u9593\u6210\u5f62\u6027\u3001\u304a\u3088\u3073\u6a5f\u68b0\u52a0\u5de5\u6027\u3092\u5099\u3048\u3066\u304a\u308a\u3001\u8ef8\u3001\u30d4\u30f3\u3001\u30dc\u30eb\u30c8\u3001\u6b6f\u8eca\u30d6\u30e9\u30f3\u30af\u306a\u3069\u306e\u4e00\u822c\u7684\u306a\u6a5f\u68b0\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>1018\u756a\u8edf\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u7d04370\uff5e440 MPa\u3067\u3042\u308b\u3002\u51b7\u9593\u5f15\u629c\u304d\u72b6\u614b\u3067\u306f\u3001\u52a0\u5de5\u786c\u5316\u306b\u3088\u308a\u3001\u5f15\u5f35\u5f37\u5ea6\u306f440\uff5e540 MPa\u4ee5\u4e0a\u307e\u3067\u4e0a\u6607\u3059\u308b\u3002.<\/p>\n\n\n\n<p><strong>1045\u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p>1045\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u7d04570\uff5e700 MPa\u3001\u964d\u4f0f\u5f37\u5ea6\u306f\u7d04310\uff5e530 MPa\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>, \u3001\u71b1\u9593\u5727\u5ef6\u3001\u713c\u306a\u3089\u3057\u3001\u51b7\u9593\u5f15\u629c\u304d\u3001\u307e\u305f\u306f\u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u3068\u3044\u3063\u305f\u52a0\u5de5\u6761\u4ef6\u306b\u5fdc\u3058\u3066\u7570\u306a\u308a\u307e\u3059\u30021045\u306f\u3001\u6bd4\u8f03\u7684\u9ad8\u3044\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u304a\u3088\u3073\u8010\u6469\u8017\u6027\u3092\u5099\u3048\u305f\u4e2d\u70ad\u7d20\u92fc\u3067\u3059\u3002 \u4e00\u822c\u7684\u306b\u3001\u8ef8\u3001\u6b6f\u8eca\u3001\u30b3\u30cd\u30af\u30c6\u30a3\u30f3\u30b0\u30ed\u30c3\u30c9\u3001\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3001\u30d4\u30f3\u3001\u30dc\u30eb\u30c8\u3001\u30b9\u30ea\u30fc\u30d6\u3001\u5de5\u5177\u7528\u6cbb\u5177\u306a\u3069\u3001\u8377\u91cd\u3092\u53d7\u3051\u308b\u90e8\u54c1\u3084\u8010\u6469\u8017\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u6a5f\u68b0\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 \u713c\u5165\u308c\u3001\u713c\u623b\u3057\u3001\u3042\u308b\u3044\u306f\u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u3067\u3001\u5f37\u5ea6\u3001\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u306e\u7dcf\u5408\u7684\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u4e2d\u8377\u91cd\u306e\u69cb\u9020\u90e8\u54c1\u3084\u4f1d\u52d5\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"581\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/1045-steel-pipe.webp\" alt=\"\" class=\"wp-image-11494\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/1045-steel-pipe.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/1045-steel-pipe-300x249.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/1045-steel-pipe-14x12.webp 14w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5408\u91d1\u92fc<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>\u5408\u91d1\u92fc\u306f\u3001\u70ad\u7d20\u92fc\u306b\u30af\u30ed\u30e0\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u3001\u30c1\u30bf\u30f3\u3001\u30cb\u30aa\u30d6\u3001\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\u3001\u30db\u30a6\u7d20\u306a\u3069\u306e\u5143\u7d20\u3092\u610f\u56f3\u7684\u306b\u6dfb\u52a0\u3057\u3066\u88fd\u9020\u3055\u308c\u3001\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u976d\u6027\u3001\u8010\u6469\u8017\u6027\u3001\u713c\u5165\u308c\u6027\u3001\u8010\u98df\u6027\u3001\u3042\u308b\u3044\u306f\u9ad8\u6e29\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u3082\u306e\u3067\u3059\u3002 \u4e00\u822c\u7684\u306b\u3001\u6b6f\u8eca\u3001\u8ef8\u3001\u30b3\u30cd\u30af\u30c6\u30a3\u30f3\u30b0\u30ed\u30c3\u30c9\u3001\u6a4b\u6881\u3001\u5207\u524a\u5de5\u5177\u3001\u91d1\u578b\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3001\u8010\u71b1\u92fc\u3001\u8010\u6469\u8017\u92fc\u306a\u3069\u306e\u9ad8\u6027\u80fd\u90e8\u54c1\u3084\u69cb\u9020\u90e8\u6750\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>4140\u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/weldomachining.com\/ja\/aisi-4140-material\/\" data-type=\"post\" data-id=\"10044\">4140\u92fc <\/a>\u713c\u306a\u307e\u3057\u307e\u305f\u306f\u713c\u306a\u3089\u3057\u72b6\u614b\u3067\u306e\u964d\u4f0f\u5f37\u5ea6\u306f\u7d04415 MPa\u3067\u3042\u308a\u3001\u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u51e6\u7406\u3092\u65bd\u3059\u3053\u3068\u3067930\uff5e1100 MPa\u4ee5\u4e0a\u307e\u3067\u9ad8\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e2d\u70ad\u7d20\u30af\u30ed\u30e0\u30fb\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u92fc\u306e\u7cfb\u306b\u5c5e\u3059\u308b\u9ad8\u5f37\u5ea6\u306e\u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u92fc\u3067\u3059\u3002 \u512a\u308c\u305f\u713c\u5165\u308c\u6027\u3001\u9ad8\u3044\u5f37\u5ea6\u3001\u305d\u3057\u3066\u826f\u597d\u306a\u976d\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u30014140\u92fc\u306f\u3001\u6b6f\u8eca\u3001\u8ef8\u3001\u30b3\u30cd\u30af\u30c6\u30a3\u30f3\u30b0\u30ed\u30c3\u30c9\u3001\u30dc\u30eb\u30c8\u3001\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u3001\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3001\u30c9\u30ea\u30eb\u30d1\u30a4\u30d7\u306e\u7d99\u624b\u3001\u9ad8\u5f37\u5ea6\u92fc\u88fd\u306e\u30d0\u30c3\u30af\u30eb\u90e8\u54c1\u3001\u305d\u306e\u4ed6\u306e\u9ad8\u8ca0\u8377\u3092\u53d7\u3051\u308b\u6a5f\u68b0\u90e8\u54c1\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u713c\u920d\u307e\u305f\u306f\u713c\u306a\u3089\u3057\u72b6\u614b\u306e4140\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u3001\u901a\u5e38\u7d04655\uff5e750 MPa\u3067\u3059\u3002 \u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u51e6\u7406\u3092\u65bd\u3059\u3068\u3001\u5f15\u5f35\u5f37\u5ea6\u306f1080\uff5e1200 MPa\u4ee5\u4e0a\u306b\u4e0a\u6607\u3057\u3001\u9ad8\u3044\u8010\u8377\u91cd\u80fd\u529b\u3001\u885d\u6483\u8377\u91cd\u3001\u304a\u3088\u3073\u75b2\u52b4\u5fdc\u529b\u3092\u4f34\u3046\u4f7f\u7528\u6761\u4ef6\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"590\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material.webp\" alt=\"4140\u92fc\u6750\" class=\"wp-image-11495\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material-300x253.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4140-steel-material-14x12.webp 14w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<p><strong>4130\u92fc<\/strong><strong><\/strong><\/p>\n\n\n\n<p>4130\u92fc\u306e\u713c\u306a\u307e\u3057\u307e\u305f\u306f\u713c\u306a\u3089\u3057\u72b6\u614b\u306b\u304a\u3051\u308b\u964d\u4f0f\u5f37\u5ea6\u306f\u3001\u901a\u5e38\u7d04415 MPa\u3067\u3042\u308b\u3002\u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u51e6\u7406\u3092\u65bd\u3059\u3068\u3001785\uff5e930 MPa\u4ee5\u4e0a\u307e\u3067\u4e0a\u6607\u3059\u308b\u305f\u3081\u3001\u4e2d\u70ad\u7d20\u30af\u30ed\u30e0\u30fb\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u69cb\u9020\u7528\u92fc\u306e\u4e2d\u3067\u3082\u9ad8\u5f37\u5ea6\u30b0\u30ec\u30fc\u30c9\u306b\u4f4d\u7f6e\u3065\u3051\u3089\u308c\u308b\u3002 \u6bd4\u8f03\u7684\u9ad8\u3044\u964d\u4f0f\u5f37\u5ea6\u3001\u512a\u308c\u305f\u976d\u6027\u3001\u304a\u3088\u3073\u713c\u5165\u308c\u6027\u3092\u5099\u3048\u305f4130\u92fc\u306f\u3001\u6b6f\u8eca\u3001\u8ef8\u3001\u30b3\u30cd\u30af\u30c6\u30a3\u30f3\u30b0\u30ed\u30c3\u30c9\u3001\u30dc\u30eb\u30c8\u3001\u30d5\u30ec\u30fc\u30e0\u3001\u822a\u7a7a\u6a5f\u7528\u30c1\u30e5\u30fc\u30d6\u3001\u304a\u3088\u3073\u75b2\u52b4\u8377\u91cd\u3092\u53d7\u3051\u308b\u6a5f\u68b0\u90e8\u54c1\u306e\u88fd\u9020\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u7279\u306b\u5f37\u5ea6\u3001\u976d\u6027\u3001\u8efd\u91cf\u8a2d\u8a08\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6c42\u3081\u3089\u308c\u308b\u69cb\u9020\u90e8\u6750\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<p>\u713c\u920d\u307e\u305f\u306f\u713c\u306a\u3089\u3057\u72b6\u614b\u306e4130\u92fc\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u3001\u901a\u5e38\u3001\u7d04590 MPa\u672a\u6e80\u3067\u3059\u3002 \u713c\u5165\u308c\u30fb\u713c\u623b\u3057\u51e6\u7406\u3092\u65bd\u3059\u3068\u3001\u5f15\u5f35\u5f37\u5ea6\u306f930\uff5e1000 MPa\u4ee5\u4e0a\u306b\u4e0a\u6607\u3059\u308b\u305f\u3081\u3001\u5f15\u5f35\u5f37\u5ea6\u3001\u8010\u75b2\u52b4\u6027\u3001\u69cb\u9020\u7684\u4fe1\u983c\u6027\u306b\u5bfe\u3059\u308b\u8981\u6c42\u304c\u9ad8\u3044\u6a5f\u68b0\u30fb\u822a\u7a7a\u5b87\u5b99\u5206\u91ce\u306e\u69cb\u9020\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"525\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4130-steel-material.webp\" alt=\"\" class=\"wp-image-11496\" style=\"width:500px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4130-steel-material.webp 700w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4130-steel-material-300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/06\/4130-steel-material-16x12.webp 16w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong><\/h3>\n\n\n\n<p>304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/p>\n\n\n\n<p>\u6eb6\u4f53\u5316\u51e6\u7406\u307e\u305f\u306f\u713c\u920d\u5f8c\u3001304\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u306f205 MPa\u4ee5\u4e0a\u3068\u306a\u308a\u3001\u5f15\u5f35\u5f37\u5ea6\u306f\u7d04515\uff5e750 MPa\u3068\u306a\u308a\u307e\u3059\u3002 \u51b7\u9593\u5727\u5ef6\u3084\u51b7\u9593\u5f15\u629c\u304d\u306a\u3069\u306e\u51b7\u9593\u52a0\u5de5\u3092\u65bd\u3059\u3068\u3001\u964d\u4f0f\u5f37\u5ea6\u306f515 MPa\u4ee5\u4e0a\u306b\u4e0a\u6607\u3057\u3001\u5f15\u5f35\u5f37\u5ea6\u306f800 MPa\u4ee5\u4e0a\u306b\u9054\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002304\u306f\u3001\u4e2d\u7a0b\u5ea6\u306e\u5f37\u5ea6\u3001\u512a\u308c\u305f\u8010\u98df\u6027\u3001\u9ad8\u3044\u5ef6\u6027\u3001\u304a\u3088\u3073\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3092\u5099\u3048\u305f\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u3059\u3002 \u5316\u5b66\u30d7\u30e9\u30f3\u30c8\u306e\u914d\u7ba1\u3001\u98df\u54c1\u6a5f\u5668\u3001\u533b\u7642\u6a5f\u5668\u3001\u30dc\u30eb\u30c8\u3084\u30ca\u30c3\u30c8\u306a\u3069\u306e\u7de0\u7d50\u90e8\u54c1\u3001\u677f\u91d1\u90e8\u54c1\u3001\u88c5\u98fe\u7528\u69cb\u9020\u90e8\u54c1\u3001\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u8010\u98df\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>316 SS<\/strong><strong><\/strong><\/p>\n\n\n\n<p>\u6eb6\u4f53\u5316\u51e6\u7406\u307e\u305f\u306f\u713c\u920d\u72b6\u614b\u306e316\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u306f\u901a\u5e38205 MPa\u4ee5\u4e0a\u3067\u3042\u308a\u3001\u4e2d\uff5e\u4f4e\u5f37\u5ea6\u306e\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002 \u8010\u98df\u6027\u3001\u6eb6\u63a5\u6027\u3001\u5ef6\u6027\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u5316\u5b66\u30d7\u30e9\u30f3\u30c8\u306e\u914d\u7ba1\u3001\u30d0\u30eb\u30d6\u3001\u30dd\u30f3\u30d7\u672c\u4f53\u3001\u30d5\u30e9\u30f3\u30b8\u3001\u7de0\u7d50\u90e8\u54c1\u3001\u98df\u54c1\u6a5f\u5668\u3001\u533b\u7642\u6a5f\u5668\u3001\u8239\u8236\u7528\u90e8\u54c1\u306a\u3069\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 \u51b7\u9593\u52a0\u5de5\u5f8c\u306f\u3001\u305d\u306e\u964d\u4f0f\u5f37\u5ea6\u304c515 MPa\u4ee5\u4e0a\u306b\u9054\u3059\u308b\u305f\u3081\u3001\u3088\u308a\u9ad8\u3044\u8010\u5909\u5f62\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u8010\u98df\u6027\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u4e00\u822c\u7684\u306a\u92fc\u6750\u306e\u6a5f\u68b0\u52a0\u5de5\u30d7\u30ed\u30bb\u30b9<\/strong><strong><\/strong><\/h2>\n\n\n\n<p><strong>1. <a href=\"https:\/\/weldomachining.com\/ja\/%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9\/cnc%e6%97%8b%e7%9b%a4\/\" data-type=\"page\" data-id=\"43\">\u30bf\u30fc\u30cb\u30f3\u30b0<\/a><br><\/strong>\u65cb\u76e4\u52a0\u5de5\u3068\u306f\u3001\u88ab\u52a0\u5de5\u4f53\u304c\u56de\u8ee2\u3057\u306a\u304c\u3089\u3001\u65cb\u76e4\u5de5\u5177\u304c\u88ab\u52a0\u5de5\u4f53\u306b\u5411\u304b\u3063\u3066\u9001\u308a\u8fbc\u307e\u308c\u308b\u5207\u524a\u52a0\u5de5\u6cd5\u3067\u3059\u3002\u30b7\u30e3\u30d5\u30c8\u3001\u30c7\u30a3\u30b9\u30af\u3001\u30b9\u30ea\u30fc\u30d6\u306a\u3069\u306e\u5186\u7b52\u5f62\u306e\u92fc\u88fd\u90e8\u54c1\u306e\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u9ad8\u52b9\u7387\u304b\u3064\u4f4e\u30b3\u30b9\u30c8\u3067\u3042\u308a\u3001\u540c\u8ef8\u5ea6\u3001\u76f4\u89d2\u5ea6\u3001\u304a\u3088\u3073\u5186\u7b52\u9762\u306e\u7cbe\u5ea6\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>2. <a href=\"https:\/\/weldomachining.com\/ja\/%e3%82%b5%e3%83%bc%e3%83%93%e3%82%b9\/cnc%e3%83%95%e3%83%a9%e3%82%a4%e3%82%b9%e5%8a%a0%e5%b7%a5\/\" data-type=\"page\" data-id=\"41\">\u30df\u30fc\u30ea\u30f3\u30b0<\/a><br><\/strong>\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u306f\u3001\u56de\u8ee2\u3059\u308b\u30d5\u30e9\u30a4\u30b9\u5203\u3092\u7528\u3044\u3066\u6750\u6599\u3092\u524a\u308a\u53d6\u308b\u52a0\u5de5\u6cd5\u3067\u3042\u308a\u3001\u5e73\u9762\u3001\u6e9d\u3001\u6bb5\u5dee\u3001\u8f2a\u90ed\u3001\u304a\u3088\u3073\u8907\u96d1\u306a\u5f62\u72b6\u306e\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u30d6\u30e9\u30b1\u30c3\u30c8\u3001\u571f\u53f0\u3001\u69cb\u9020\u90e8\u54c1\u3001\u4e0d\u898f\u5247\u306a\u5f62\u72b6\u306e\u92fc\u88fd\u90e8\u54c1\u306a\u3069\u306e\u52a0\u5de5\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-stainless-steel-engine-block.webp\" alt=\"\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u75285\u8ef8CNC\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\" class=\"wp-image-8011\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-stainless-steel-engine-block.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-stainless-steel-engine-block-300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-stainless-steel-engine-block-768x576.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/5-axis-cnc-milling-for-stainless-steel-engine-block-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u75285\u8ef8CNC\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5<\/figcaption><\/figure>\n\n\n\n<p><strong>3. \u6398\u524a<\/strong><strong><br><\/strong>\u7a74\u3042\u3051\u52a0\u5de5\u306f\u4e3b\u306b\u92fc\u6750\u306b\u7a74\u3092\u958b\u3051\u308b\u305f\u3081\u306b\u7528\u3044\u3089\u308c\u3001\u901a\u5e38\u306f\u30c4\u30a4\u30b9\u30c8\u30c9\u30ea\u30eb\u3092\u7528\u3044\u3066\u8ef8\u65b9\u5411\u306b\u9032\u3081\u306a\u304c\u3089\u884c\u308f\u308c\u307e\u3059\u3002\u5207\u308a\u304f\u305a\u306e\u6392\u51fa\u3001\u653e\u71b1\u3001\u304a\u3088\u3073\u5de5\u5177\u306e\u525b\u6027\u306b\u306f\u9650\u754c\u304c\u3042\u308b\u305f\u3081\u3001\u6df1\u7a74\u3084\u5927\u5f84\u7a74\u306e\u52a0\u5de5\u3067\u306f\u3001\u30b9\u30c6\u30c3\u30d7\u30c9\u30ea\u30eb\u52a0\u5de5\u3001\u30ea\u30fc\u30de\u52a0\u5de5\u3001\u3042\u308b\u3044\u306f\u305d\u306e\u5f8c\u306e\u4ed5\u4e0a\u3052\u52a0\u5de5\u304c\u5fc5\u8981\u3068\u306a\u308b\u5834\u5408\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>4. \u3064\u307e\u3089\u306a\u3044<\/strong><strong><br><\/strong>\u30dc\u30fc\u30ea\u30f3\u30b0\u52a0\u5de5\u306f\u3001\u65e2\u5b58\u306e\u7a74\u3092\u62e1\u5927\u30fb\u4fee\u6b63\u3059\u308b\u3053\u3068\u3067\u3001\u7a74\u306e\u5bf8\u6cd5\u7cbe\u5ea6\u3068\u8868\u9762\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002\u30cf\u30a6\u30b8\u30f3\u30b0\u3001\u6a5f\u68b0\u30d9\u30fc\u30b9\u3001\u30d6\u30e9\u30b1\u30c3\u30c8\u306a\u3069\u306e\u90e8\u54c1\u306b\u304a\u3051\u308b\u5927\u5f84\u7a74\u3001\u7cbe\u5bc6\u7a74\u3001\u304a\u3088\u3073\u5185\u5f84\u90e8\u306e\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>5. \u7814\u524a<\/strong><strong><br><\/strong>\u7814\u524a\u52a0\u5de5\u3067\u306f\u3001\u7825\u77f3\u4e0a\u306e\u7814\u78e8\u7c92\u5b50\u3092\u7528\u3044\u3066\u92fc\u88fd\u90e8\u54c1\u306e\u8868\u9762\u3092\u4ed5\u4e0a\u3052\u3001\u9ad8\u3044\u5bf8\u6cd5\u7cbe\u5ea6\u3068\u4f4e\u3044\u8868\u9762\u7c97\u3055\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3053\u306e\u52a0\u5de5\u6cd5\u306f\u3001\u713c\u5165\u308c\u92fc\u3001\u8010\u71b1\u92fc\u3001\u8ef8\u53d7\u3001\u30b2\u30fc\u30b8\u3001\u304a\u3088\u3073\u7cbe\u5bc6\u90e8\u54c1\u306e\u52a0\u5de5\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>6. \u5e73\u9762\u52a0\u5de5<\/strong><strong><br><\/strong>\u30d7\u30ec\u30fc\u30cb\u30f3\u30b0\u76e4\u306f\u3001\u5de5\u5177\u3068\u88ab\u524a\u6750\u306e\u76f4\u7dda\u5f80\u5fa9\u904b\u52d5\u306b\u3088\u3063\u3066\u3001\u5e73\u9762\u3084\u6e9d\u3092\u52a0\u5de5\u3059\u308b\u3002\u3053\u306e\u88c5\u7f6e\u306f\u69cb\u9020\u304c\u5358\u7d14\u3067\u6c4e\u7528\u6027\u304c\u9ad8\u3044\u304c\u3001\u751f\u7523\u52b9\u7387\u306f\u6bd4\u8f03\u7684\u4f4e\u3044\u305f\u3081\u3001\u5358\u54c1\u30fb\u5c0f\u30ed\u30c3\u30c8\u306e\u52a0\u5de5\u3084\u3001\u92fc\u6750\u306e\u5e83\u3044\u5e73\u9762\u306e\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p><strong>7. \u30d6\u30ed\u30fc\u30c1\u52a0\u5de5<\/strong><strong><br><\/strong>\u30d6\u30ed\u30fc\u30c1\u52a0\u5de5\u3067\u306f\u3001\u591a\u6b6f\u30d6\u30ed\u30fc\u30c1\u3092\u7528\u3044\u30661\u56de\u306e\u30b9\u30c8\u30ed\u30fc\u30af\u3067\u9023\u7d9a\u7684\u306b\u6750\u6599\u3092\u524a\u308a\u53d6\u308a\u3001\u9ad8\u3044\u5bf8\u6cd5\u7cbe\u5ea6\u3068\u826f\u597d\u306a\u8868\u9762\u54c1\u8cea\u3092\u77ed\u6642\u9593\u3067\u5b9f\u73fe\u3057\u307e\u3059\u3002\u5185\u5f84\u3001\u30ad\u30fc\u6e9d\u3001\u5e73\u9762\u3001\u6210\u5f62\u9762\u306e\u5927\u91cf\u52a0\u5de5\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5de5\u5177\u8cbb\u306f\u6bd4\u8f03\u7684\u9ad8\u3044\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002.<\/p>\n\n\n\n<p><strong>8. \u5207\u65ad<\/strong><strong><br><\/strong>\u92f8\u5207\u308a\u306f\u3001\u92fc\u6750\u306e\u30d6\u30e9\u30f3\u30ad\u30f3\u30b0\u3001\u5207\u65ad\u3001\u307e\u305f\u306f\u30b9\u30ed\u30c3\u30c8\u52a0\u5de5\u306b\u7528\u3044\u3089\u308c\u3001\u6a5f\u68b0\u52a0\u5de5\u524d\u306e\u4e00\u822c\u7684\u306a\u524d\u51e6\u7406\u5de5\u7a0b\u3067\u3059\u3002\u6a5f\u68b0\u52a0\u5de5\u306e\u969b\u306b\u306f\u3001\u6750\u6599\u306e\u786c\u5ea6\u3001\u65ad\u9762\u539a\u3055\u3001\u304a\u3088\u3073\u5207\u524a\u52b9\u7387\u306b\u5fdc\u3058\u3066\u3001\u9069\u5207\u306a\u92f8\u5203\u306e\u6b6f\u5f62\u3068\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>9. EDM\u304a\u3088\u3073\u30ef\u30a4\u30e4\u30ab\u30c3\u30c8<\/strong><strong><br><\/strong>\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u30d1\u30eb\u30b9\u653e\u96fb\u3092\u5229\u7528\u3057\u3066\u91d1\u5c5e\u3092\u5207\u65ad\u307e\u305f\u306f\u9664\u53bb\u3059\u308b\u3082\u306e\u3067\u3001\u9ad8\u786c\u5ea6\u3084\u5207\u524a\u56f0\u96e3\u306a\u92fc\u6750\u306b\u9069\u3057\u305f\u975e\u63a5\u89e6\u52a0\u5de5\u6cd5\u3067\u3059\u3002\u8907\u96d1\u306a\u8f2a\u90ed\u3001\u7cbe\u5bc6\u91d1\u578b\u3001\u7279\u6b8a\u5f62\u72b6\u306e\u90e8\u54c1\u3092\u52a0\u5de5\u3067\u304d\u307e\u3059\u304c\u3001\u8868\u9762\u306e\u71b1\u5f71\u97ff\u90e8\u3084\u5fae\u5c0f\u4e80\u88c2\u306e\u767a\u751f\u30ea\u30b9\u30af\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/wire-edm-machining-center.webp\" alt=\"\u30ef\u30a4\u30e4\u30fcEDM\u30de\u30b7\u30cb\u30f3\u30b0\u30bb\u30f3\u30bf\u30fc\" class=\"wp-image-7961\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/wire-edm-machining-center.webp 500w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/wire-edm-machining-center-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/wire-edm-machining-center-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/03\/wire-edm-machining-center-12x12.webp 12w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u8d85\u9ad8\u5f35\u529b\u92fc\u3068\u306f\u4f55\u304b\uff1f<\/strong><\/h2>\n\n\n\n<p>\u8d85\u9ad8\u5f35\u529b\u92fc\u3068\u306f\u3001\u901a\u5e38\u3001\u964d\u4f0f\u5f37\u5ea6\u304c1380 MPa\u3092\u8d85\u3048\u308b\u3001\u3042\u308b\u3044\u306f\u5f15\u5f35\u5f37\u5ea6\u304c1470 MPa\u3092\u8d85\u3048\u308b\u5408\u91d1\u92fc\u3092\u6307\u3059\u3002.<\/p>\n\n\n\n<p>\u8d85\u9ad8\u5f37\u5ea6\u92fc\u306f\u3001\u305d\u306e\u6210\u5206\u4f53\u7cfb\u3084\u5f37\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u5fdc\u3058\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306b\u5206\u985e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306a\u4f4e\u5408\u91d1\u8d85\u9ad8\u5f37\u5ea6\u92fc\u306b\u306f\u3001AISI 4340\u3001300M\u3001\u30a8\u30b0\u30ea\u30f3\u92fc\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u4e2d\u3067\u3082\u3001AISI 4340\u306f\u3001\u822a\u7a7a\u6a5f\u306e\u7740\u9678\u88c5\u7f6e\u3084\u30a8\u30f3\u30b8\u30f3\u30b7\u30e3\u30d5\u30c8\u306a\u3069\u306e\u9ad8\u8ca0\u8377\u90e8\u54c1\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3001\u4ee3\u8868\u7684\u306a\u4f4e\u5408\u91d1\u8d85\u9ad8\u5f37\u5ea6\u92fc\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4e8c\u6b21\u786c\u5316\u578b\u8d85\u9ad8\u5f35\u529b\u92fc\u306a\u3069 <a href=\"https:\/\/www.carpentertechnology.com\/alloy-finder\/hy-180\" target=\"_blank\" rel=\"noopener\">HY-180<\/a>, AF1410\u3001\u304a\u3088\u3073AerMet 100\u306f\u3001\u9ad8\u3044\u5f37\u5ea6\u3068\u976d\u6027\u3092\u5099\u3048\u3001\u512a\u308c\u305f\u8010\u75b2\u52b4\u6027\u3092\u6709\u3057\u3066\u304a\u308a\u3001\u6226\u95d8\u6a5f\u306e\u7740\u9678\u88c5\u7f6e\u3001\u822a\u7a7a\u6a5f\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u3001\u7a7a\u6bcd\u7528\u822a\u7a7a\u6a5f\u306e\u7740\u8266\u30d5\u30c3\u30af\u306a\u3069\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>18Ni\u3001T250\u3001T300\u306a\u3069\u306e\u30de\u30eb\u30a8\u30a4\u30b8\u30f3\u30b0\u8d85\u9ad8\u5f37\u5ea6\u92fc\u306f\u3001\u6642\u52b9\u6790\u51fa\u5f37\u5316\u306b\u3088\u3063\u3066\u9ad8\u3044\u5f37\u5ea6\u3092\u5f97\u3066\u304a\u308a\u3001\u30ed\u30b1\u30c3\u30c8\u30a8\u30f3\u30b8\u30f3\u306e\u30b1\u30fc\u30b7\u30f3\u30b0\u3084\u822a\u7a7a\u5b87\u5b99\u7528\u69cb\u9020\u90e8\u54c1\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p>\u81ea\u52d5\u8eca\u5206\u91ce\u3067\u4e00\u822c\u7684\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u8d85\u9ad8\u5f35\u529b\u92fc\u306b\u306f\u3001\u30db\u30a6\u7d20\u92fc22MnB5\u304c\u3042\u308b\u3002\u71b1\u9593\u6210\u5f62\u5f8c\u3001\u305d\u306e\u5f15\u5f35\u5f37\u5ea6\u306f1500\uff5e2000 MPa\u306b\u9054\u3057\u3001\u4e3b\u306bA\/B\u30d4\u30e9\u30fc\u3084\u885d\u7a81\u9632\u6b62\u30d3\u30fc\u30e0\u306a\u3069\u306e\u81ea\u52d5\u8eca\u7528\u5b89\u5168\u69cb\u9020\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u92fc\u306e\u5f37\u5ea6\u306f\u52a0\u5de5\u30b3\u30b9\u30c8\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/h2>\n\n\n\n<p>\u92fc\u306e\u5f37\u5ea6\u304c\u9ad8\u3051\u308c\u3070\u9ad8\u3044\u307b\u3069\u3001\u52a0\u5de5\u6642\u306b\u5fc5\u8981\u306a\u5207\u524a\u529b\u306f\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5de5\u5177\u306e\u6027\u80fd\u3001\u5de5\u4f5c\u6a5f\u68b0\u306e\u525b\u6027\u3001\u304a\u3088\u3073\u52a0\u5de5\u7cbe\u5ea6\u306b\u5bfe\u3059\u308b\u8981\u6c42\u304c\u9ad8\u307e\u308a\u3001\u305d\u306e\u7d50\u679c\u3001\u5de5\u5177\u306e\u6469\u8017\u304c\u65e9\u307e\u3063\u305f\u308a\u3001\u751f\u7523\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u305f\u308a\u3001\u88fd\u9020\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u3063\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u92fc\u6750\u306e\u9078\u5b9a\u306b\u3042\u305f\u3063\u3066\u306f\u3001\u5f37\u5ea6\u3084\u4f7f\u7528\u6027\u80fd\u3060\u3051\u3067\u306a\u304f\u3001\u88ab\u524a\u6027\u304a\u3088\u3073\u7dcf\u751f\u7523\u30b3\u30b9\u30c8\u3082\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3001\u5408\u91d1\u92fc\u3001\u9ad8\u70ad\u7d20\u92fc\u306f\u52a0\u5de5\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u3001\u4e2d\u70ad\u7d20\u92fc\u306f\u4e2d\u7a0b\u5ea6\u3067\u3042\u308a\u3001\u4e00\u65b9\u3001\u4f4e\u70ad\u7d20\u92fc\u3001\u92f3\u9244\u3001\u4e9c\u925b\u30e1\u30c3\u30ad\u92fc\u306f\u901a\u5e38\u3001\u52a0\u5de5\u30b3\u30b9\u30c8\u304c\u6bd4\u8f03\u7684\u4f4e\u304f\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5b9f\u969b\u306e\u30b3\u30b9\u30c8\u306f\u3001\u6750\u6599\u306e\u4ed5\u69d8\u3001\u90e8\u54c1\u306e\u69cb\u9020\u3001\u52a0\u5de5\u5de5\u7a0b\u3001\u304a\u3088\u3073\u8a2d\u5099\u306e\u80fd\u529b\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u307e\u3068\u3081\uff1a<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>\u4ee5\u4e0a\u3001\u92fc\u306e\u5f37\u5ea6\u306b\u95a2\u3059\u308b\u91cd\u8981\u306a\u77e5\u8b58\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u4e3b\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u92fc\u3084\u3001\u5de5\u5b66\u30fb\u88fd\u9020\u5206\u91ce\u3067\u4e00\u822c\u7684\u306b\u7528\u3044\u3089\u308c\u308b\u5f37\u5ea6\u306e\u5206\u985e\u306b\u3064\u3044\u3066\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u8a73\u3057\u304f\u5b66\u3073\u305f\u3044\u5834\u5408\u3084\u3001\u4f5c\u696d\u4e2d\u306b\u554f\u984c\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u3001 <a href=\"https:\/\/weldomachining.com\/ja\/cnc%e9%8b%bc%e6%9d%90%e5%8a%a0%e5%b7%a5\/\" data-type=\"page\" data-id=\"4071\">\u92fc\u6750\u306e\u6a5f\u68b0\u52a0\u5de5\u3001,<\/a> \u4ee5\u4e0b\u306e\u9023\u7d61\u5148\u304b\u3089\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3054\u9023\u7d61\u3044\u305f\u3060\u3051\u307e\u3059\u3002 <a href=\"https:\/\/weldomachining.com\/ja\/\" data-type=\"page\" data-id=\"6\">\u30a6\u30a7\u30eb\u30c9\u52a0\u5de5<\/a> DFM\u8a2d\u8a08\u306e\u30b5\u30dd\u30fc\u30c8\u304a\u3088\u3073 <a href=\"https:\/\/weldomachining.com\/ja\/%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89\/\" data-type=\"page\" data-id=\"843\">\u52a0\u5de5\u30b3\u30b9\u30c8\u306e\u898b\u7a4d\u3082\u308a<\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/weldo-factory-worker-picture.webp\" alt=\"\u30a6\u30a7\u30eb\u30c9\u5de5\u5834\u52b4\u50cd\u8005\u306e\u5199\u771f\" class=\"wp-image-6576\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/weldo-factory-worker-picture.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/weldo-factory-worker-picture-300x200.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/weldo-factory-worker-picture-768x512.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/weldo-factory-worker-picture-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>In machining and new product design, steel selection directly affects part strength, machining difficulty, service life, and manufacturing cost. To help engineers, buyers, and product designers better understand steel performance, this article explains key strength indicators such as tensile strength, yield strength, and endurance strength, while also analyzing common steel types and typical component applications. It provides a practical reference for material selection and machining process planning. Steel Strengths type Yield Strength of Steel The yield strength of steel refers to the stress at which steel begins to undergo obvious plastic deformation, meaning permanent deformation starts. It reflects the ability of steel to resist deformation and is usually calculated as [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":11486,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-11485","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts\/11485","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/comments?post=11485"}],"version-history":[{"count":3,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts\/11485\/revisions"}],"predecessor-version":[{"id":11498,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts\/11485\/revisions\/11498"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/media\/11486"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/media?parent=11485"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/categories?post=11485"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/tags?post=11485"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}