{"id":9887,"date":"2026-04-24T06:14:38","date_gmt":"2026-04-24T06:14:38","guid":{"rendered":"https:\/\/weldomachining.com\/?p=9887"},"modified":"2026-04-24T06:14:40","modified_gmt":"2026-04-24T06:14:40","slug":"st52-steel","status":"publish","type":"post","link":"https:\/\/weldomachining.com\/ja\/st52-steel\/","title":{"rendered":"ST52\u92fc\u306e\u7279\u6027\u3001\u7d44\u6210\u3001\u7528\u9014"},"content":{"rendered":"<h2 class=\"wp-block-heading\">ST52\u92fc\u306e\u6982\u8981<\/h2>\n\n\n\n<p>ST52\u92fc\u306f\u3001\u305d\u306e\u5353\u8d8a\u3057\u305f\u6c4e\u7528\u6027\u3068\u8010\u4e45\u6027\u3067\u77e5\u3089\u308c\u308b\u9ad8\u5f37\u5ea6\u4f4e\u5408\u91d1\u69cb\u9020\u7528\u92fc\u3067\u3059\u3002\u91cd\u5de5\u696d\u3084\u5efa\u8a2d\u5206\u91ce\u306e\u4e3b\u8981\u306a\u9078\u629e\u80a2\u3068\u3057\u3066\u3001\u3053\u306e\u6750\u6599\u306f\u6eb6\u63a5\u6027\u3068\u6a5f\u68b0\u7684\u5f37\u5ea6\u306e\u512a\u308c\u305f\u30d0\u30e9\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u7279\u306b\u9ad8\u30b9\u30c8\u30ec\u30b9\u74b0\u5883\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u69cb\u9020\u7684\u5b8c\u5168\u6027\u304c\u4e0d\u53ef\u6b20\u306a\u5834\u9762\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1.webp\" alt=\"st52-3\u92fc\u30b5\u30dd\u30fc\u30c8\" class=\"wp-image-9891\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-metal-board-1-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b9a\u7fa9\u3068DIN 17100\u898f\u683c<\/h3>\n\n\n\n<p>ST52\u306f\u3001&nbsp;<strong>DIN 17100<\/strong>&nbsp;\u898f\u683c\u306e\u4e0b\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u69cb\u9020\u7528\u92fc\u306e\u30c9\u30a4\u30c4\u306e\u6280\u8853\u4ed5\u69d8\u3067\u3059\u3002\u540d\u79f0\u306e\u300cSt\u300d\u306f\u300c\u92fc\u300d\u3092\u610f\u5473\u3057\u3001\u300c52\u300d\u306f\u6700\u5c0f\u5f15\u5f35\u5f37\u3055\u3092\u793a\u3057\u307e\u3059\u3002&nbsp;<strong>52 kg\/mm\u00b2<\/strong>&nbsp;(\u304a\u3088\u305d510-630 MPa)\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u7279\u5fb4<\/th><th>\u4ed5\u69d8<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/strong><\/td><td>DIN 17100<\/td><\/tr><tr><td><strong>\u7d20\u6750\u30bf\u30a4\u30d7<\/strong><\/td><td>\u9ad8\u5f37\u5ea6\u4f4e\u5408\u91d1\u92fc\uff08HSLA\uff09<\/td><\/tr><tr><td><strong>\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9<\/strong><\/td><td>ST52-3\uff08\u5b8c\u5168\u713c\u304d\u5165\u308c\u92fc\uff09<\/td><\/tr><tr><td><strong>\u4e3b\u306a\u7528\u9014<\/strong><\/td><td>\u69cb\u9020\u304a\u3088\u3073\u6a5f\u68b0\u5de5\u5b66<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u6700\u3082\u4e00\u822c\u7684\u306a\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u306f\u3001,&nbsp;<strong>ST52-3<\/strong>, \u3067\u3042\u308a\u3001\u300c\u713c\u304d\u5165\u308c\u300d\u5de5\u7a0b\u3092\u7d4c\u305f\u92fc\u6750\u3092\u793a\u3057\u3001\u4f4e\u30b0\u30ec\u30fc\u30c9\u3068\u6bd4\u8f03\u3057\u3066\u5fae\u7d30\u306a\u7c92\u69cb\u9020\u3068\u5411\u4e0a\u3057\u305f\u976d\u6027\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b3\u30a2\u306e\u5229\u70b9\u3068\u6027\u80fd\u7279\u6027<\/h3>\n\n\n\n<p>ST52\u70ad\u7d20\u92fc\u306f\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u7528\u9014\u306b\u304a\u3044\u3066\u6a19\u6e96\u7684\u306a\u70ad\u7d20\u92fc\u3092\u4e0a\u56de\u308b\u6027\u80fd\u3092\u767a\u63ee\u3059\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u72ec\u7279\u306e\u5316\u5b66\u30d0\u30e9\u30f3\u30b9\u306f\u3001\u52a0\u5de5\u6027\u3068\u9577\u671f\u4f7f\u7528\u5bff\u547d\u306b\u304a\u3044\u3066\u660e\u78ba\u306a\u512a\u4f4d\u6027\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u3044\u964d\u4f0f\u5f37\u5ea6:<\/strong>&nbsp;\u6700\u5c0f\u964d\u4f0f\u70b9\u3092\u5b9f\u73fe\u3057\u3001&nbsp;<strong>355 MPa<\/strong>, \u3001\u8010\u8377\u91cd\u80fd\u529b\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u8584\u8089\u5316\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u512a\u308c\u305f\u6eb6\u63a5\u6027:<\/strong>&nbsp;\u4f4e\u70ad\u7d20\u5f53\u91cf\u306b\u3088\u308a\u3001\u51b7\u9593\u5272\u308c\u306e\u5371\u967a\u306a\u304f\u6a19\u6e96\u7684\u306a\u65b9\u6cd5\u3067\u92fc\u6750\u3092\u6eb6\u63a5\u3067\u304d\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8010\u885d\u6483\u6027:<\/strong>&nbsp;\u4f4e\u6e29\u74b0\u5883\u3067\u3082\u512a\u308c\u305f\u976d\u6027\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u3001\u5c4b\u5916\u69cb\u9020\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u512a\u308c\u305f\u52a0\u5de5\u6027:<\/strong>&nbsp;\u305d\u306e\u5f37\u5ea6\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001ST52\u306f\u5207\u65ad\u3001\u7a74\u3042\u3051\u3001\u52a0\u5de5\u304c\u5bb9\u6613\u3067\u3042\u308a\u3001\u88fd\u9020\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u91cd\u91cf\u52b9\u7387:<\/strong>&nbsp;\u9ad8\u3044\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3088\u308a\u8efd\u91cf\u306a\u69cb\u9020\u3092\u8a2d\u8a08\u3067\u304d\u3001\u5168\u4f53\u7684\u306a\u6750\u6599\u8cbb\u3068\u8f38\u9001\u8cbb\u3092\u524a\u6e1b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ST52\u306e\u5316\u5b66\u7d44\u6210<\/h2>\n\n\n\n<p>\u306e\u5316\u5b66\u7684\u6027\u8cea\u3092\u898b\u308b\u3068\u3001\u00a0<strong>ST52<\/strong>, \u306f\u3001\u5f37\u5ea6\u3068\u52a0\u5de5\u6027\u306e\u9593\u306e\u6700\u9069\u306a\u30d0\u30e9\u30f3\u30b9\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3059\u3079\u3066\u3067\u3059\u3002\u3053\u306e\u92fc\u6750\u306f\u00a0<strong>\u7d20\u6750\u30b0\u30ec\u30fc\u30c9<\/strong>\u00a0\u306f\u3001\u6eb6\u63a5\u3084\u6210\u5f62\u306b\u306f\u8106\u3059\u304e\u308b\u3053\u3068\u306a\u304f\u3001\u91cd\u3044\u8377\u91cd\u306b\u8010\u3048\u308b\u3088\u3046\u306b\u7279\u5225\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002Weldo\u306e\u63a8\u5968\u3059\u308b\u9244\u92fc\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u30af\u30ea\u30fc\u30f3\u306a\u6eb6\u89e3\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001\u4f9b\u7d66\u3055\u308c\u308b\u3059\u3079\u3066\u306e\u30d7\u30ec\u30fc\u30c8\u3068\u30d1\u30a4\u30d7\u306b\u4e00\u8cab\u3057\u305f\u54c1\u8cea\u3068\u5316\u5b66\u7d44\u6210\u8a66\u9a13\u5831\u544a\u66f8\u304c\u6dfb\u4ed8\u3055\u308c\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6750\u6599\u5143\u7d20\u306e\u5185\u8a33<\/h3>\n\n\n\n<p>\u306e\u4fe1\u983c\u6027\u306f&nbsp;<strong>ST52<\/strong>&nbsp;\u3053\u308c\u306f\u6b63\u78ba\u306a\u5316\u5b66\u7684\u300c\u30ec\u30b7\u30d4\u300d\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u70ad\u7d20\u92fc\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306f\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3088\u308a\u9ad8\u3044\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3092\u69cb\u6210\u3059\u308b\u5143\u7d20\u306e\u5178\u578b\u7684\u306a\u5185\u8a33\u306f\u6b21\u306e\u901a\u308a\u3067\u3059&nbsp;<strong>\u69cb\u9020\u7528\u92fc<\/strong>&nbsp;\u975e\u5e38\u306b\u4fe1\u983c\u6027\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u30a8\u30ec\u30e1\u30f3\u30c8<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u542b\u6709\u91cf\uff08\u6700\u5927%\uff09<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">0.20%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30de\u30f3\u30ac\u30f3 (Mn)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">1.60%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30b1\u30a4\u7d20 (Si)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">0.55%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30ea\u30f3 (P)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">0.040%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u786b\u9ec4 (S)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">0.040%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u9244\uff08Fe\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">&gt;97%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u70ad\u7d20\u3068\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u306e\u5f71\u97ff<\/h3>\n\n\n\n<p>\u70ad\u7d20\u3068\u30de\u30f3\u30ac\u30f3\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u79d8\u5bc6\u306e\u8abf\u5473\u6599\u3067\u3059\u3002&nbsp;<strong>ST52<\/strong>. \u70ad\u7d20\u30ec\u30d9\u30eb\u3092\u6bd4\u8f03\u7684\u4f4e\u304f\uff08\u7d040.20%\uff09\u4fdd\u3064\u3053\u3068\u3067\u3001\u92fc\u6750\u306e\u6eb6\u63a5\u6027\u3068\u73fe\u5834\u3067\u306e\u52a0\u5de5\u6027\u3092\u9ad8\u3081\u3066\u3044\u307e\u3059\u3002\u9ad8\u70ad\u7d20\u306e\u4ee3\u66ff\u54c1\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u4e80\u88c2\u306e\u554f\u984c\u306b\u60a9\u307e\u3055\u308c\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<p>\u9ad8\u3044\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u3053\u305d\u304c\u3053\u306e&nbsp;<strong>\u30de\u30f3\u30ac\u30f3\u30b9\u30c1\u30fc\u30eb<\/strong>&nbsp;\u3092\u672c\u5f53\u306b\u969b\u7acb\u305f\u305b\u308b\u8981\u7d20\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001&nbsp;<strong>\u6a5f\u68b0\u7684\u6027\u8cea<\/strong>&nbsp;\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u964d\u4f0f\u5f37\u3055\u306e\u5411\u4e0a\uff1a<\/strong>&nbsp;\u92fc\u304c\u5909\u5f62\u3059\u308b\u524d\u306b\u3088\u308a\u9ad8\u3044\u5fdc\u529b\u306b\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u976d\u6027\u306e\u5411\u4e0a\uff1a<\/strong>&nbsp;\u7279\u306b\u5bd2\u51b7\u74b0\u5883\u3067\u306e\u885d\u6483\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u9ad8\u3081\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u7c92\u69cb\u9020\u306e\u6539\u5584\uff1a<\/strong>&nbsp;\u69cb\u9020\u7528\u9014\u306b\u304a\u3044\u3066\u3088\u308a\u5747\u4e00\u306a\u5185\u90e8\u69cb\u9020\u3092\u4f5c\u308a\u51fa\u3057\u3001\u5168\u4f53\u7684\u306a\u8010\u4e45\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ST52\u306e\u6a5f\u68b0\u7684\u304a\u3088\u3073\u7269\u7406\u7684\u7279\u6027<\/h2>\n\n\n\n<p>\u6a5f\u68b0\u7684\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u308b\u3068\u00a0<strong>ST52<\/strong>, \u3001\u6ce8\u76ee\u3059\u3079\u304d\u7279\u5fb4\u306f\u9ad8\u3044\u8010\u8377\u91cd\u5bfe\u91cd\u91cf\u6bd4\u3067\u3059\u3002\u3053\u306e\u6750\u6599\u306f\u5927\u304d\u306a\u5fdc\u529b\u306b\u8010\u3048\u306a\u304c\u3089\u5909\u5f62\u3057\u306a\u3044\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u305d\u306e\u512a\u308c\u305f\u6a5f\u68b0\u7684\u7279\u6027\u306b\u3088\u308a\u3001\u30af\u30ec\u30fc\u30f3\u30d6\u30fc\u30e0\u304b\u3089\u69cb\u9020\u30d5\u30ec\u30fc\u30e0\u307e\u3067\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u3067\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u964d\u4f0f\u70b9\u304a\u3088\u3073\u5f15\u5f35\u5f37\u3055\u306e\u4ed5\u69d8<\/h3>\n\n\n\n<p>\u306e\u6027\u80fd\u306f <strong>ST52\u92fc<\/strong> \u306e\u6c38\u4e45\u5909\u5f62\u306b\u5bfe\u3059\u308b\u8010\u6027\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u79c1\u305f\u3061\u306f\u4e3b\u306b\u305d\u306e <strong>\u964d\u4f0f\u5f37\u3055<\/strong> \u305d\u3057\u3066 <strong>\u5f35\u529b<\/strong>\u2014\u7279\u306b\u3001\u5916\u529b\u306b\u3088\u3063\u3066\u92fc\u304c\u5909\u5f62\u3059\u308b\u81e8\u754c\u70b9\u306b\u7126\u70b9\u3092\u5f53\u3066\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d7\u30ed\u30d1\u30c6\u30a3<\/th><th>\u30e1\u30fc\u30c8\u30eb\u6cd5\u5024\uff08MPa\uff09<\/th><th>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u5024\uff08psi\uff09<\/th><\/tr><\/thead><tbody><tr><td><strong>\u964d\u4f0f\u5f37\u5ea6<\/strong>&nbsp;\uff08\u6700\u5c0f\uff09<\/td><td>355 MPa<\/td><td>~51,500 psi<\/td><\/tr><tr><td><strong>\u5f15\u5f35\u5f37\u5ea6<\/strong><\/td><td>490 \u2013 630 MPa<\/td><td>~71,000 \u2013 91,000 psi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u9ad8\u964d\u4f0f\u70b9\uff1a<\/strong>&nbsp;355 MPa\u306e\u7b49\u7d1a\u306f\u3001\u73fe\u4ee3\u306e\u898f\u683c\u3067\u306f\u3057\u3070\u3057\u3070S355\u3068\u547c\u3070\u308c\u308b\u7406\u7531\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8377\u91cd\u8010\u6027\uff1a<\/strong>&nbsp;\u3088\u308a\u5c11\u306a\u3044\u6750\u6599\u539a\u3055\u3067\u91cd\u3044\u8377\u91cd\u3092\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u4f4e\u30b0\u30ec\u30fc\u30c9\u306e\u70ad\u7d20\u92fc\u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u3066\u3044\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u4e00\u8cab\u6027\uff1a<\/strong>&nbsp;\u79c1\u305f\u3061\u306e&nbsp;<strong>ST52<\/strong>&nbsp;\u6750\u6599\u306e\u65ad\u9762\u5168\u4f53\u306b\u308f\u305f\u3063\u3066\u5747\u4e00\u306a\u5f37\u5ea6\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u786c\u3055\u3001\u4f38\u3073\u3001\u8010\u4e45\u6027<\/h3>\n\n\n\n<p>\u5ef6\u6027\u304c\u306a\u3051\u308c\u3070\u5f37\u3055\u306f\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002.&nbsp;<strong>ST52<\/strong>&nbsp;\u6975\u7aef\u306a\u5727\u529b\u4e0b\u3067\u3082\u6298\u308c\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u308f\u305a\u304b\u306b\u66f2\u3052\u305f\u308a\u4f38\u3070\u3057\u305f\u308a\u3067\u304d\u308b\u512a\u308c\u305f\u30d0\u30e9\u30f3\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c&nbsp;<strong>\u8010\u4e45\u6027<\/strong>&nbsp;\u5b89\u5168\u6027\u304c\u91cd\u8996\u3055\u308c\u308b\u7528\u9014\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f38\u3073:<\/strong>&nbsp;\u901a\u5e38\u3001\u7d04&nbsp;<strong>22%<\/strong>, \u3067\u3042\u308a\u3001\u512a\u308c\u305f\u51b7\u9593\u6210\u5f62\u6027\u3068\u66f2\u3052\u52a0\u5de5\u6027\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u786c\u5ea6:<\/strong>\u00a0\u901a\u5e38\u3001\u00a0<strong>160\u304b\u3089180 HB<\/strong>\u00a0\uff08\u30d6\u30ea\u30cd\u30eb\u786c\u5ea6\uff09\u306e\u7bc4\u56f2\u3067\u3001\u8010\u6469\u8017\u6027\u3092\u6301\u3061\u306a\u304c\u3089\u3001\u6a5f\u68b0\u52a0\u5de5\u6027\uff08\u65cb\u524a\u30fb\u30d5\u30e9\u30a4\u30b9\u52a0\u5de5\u3001\u30d7\u30ec\u30b9\u52a0\u5de5\u3001\u6eb6\u63a5\u30fb\u71b1\u51e6\u7406\uff09\u3092\u7dad\u6301\u3059\u308b\u8868\u9762\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8010\u885d\u6483\u6027:<\/strong>&nbsp;\u3053\u308c\u306f&nbsp;<strong>\u7d20\u6750\u30b0\u30ec\u30fc\u30c9<\/strong>&nbsp;\u4f4e\u6e29\u74b0\u5883\u3067\u975e\u5e38\u306b\u512a\u308c\u305f\u6027\u80fd\u3092\u767a\u63ee\u3057\u3001\u4ed6\u306e\u92fc\u6750\u304c\u8106\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u5834\u6240\u3067\u3082\u305d\u306e\u976d\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u4fe1\u983c\u6027:<\/strong>\u00a0\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u306e\u5897\u52a0\u306f\u3001\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5f37\u5316\u3057\u3001\u76f8\u5909\u614b\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u7d50\u6676\u7c92\u5fae\u7d30\u5316\u3068\u75b2\u52b4\u62b5\u6297\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-structure-steel.webp\" alt=\"st52-3\u69cb\u9020\u92fc\" class=\"wp-image-9893\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-structure-steel.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-structure-steel-300x225.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-structure-steel-768x576.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-structure-steel-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">ST52\u92fc\u76f8\u5f53\u30b0\u30ec\u30fc\u30c9<\/h2>\n\n\n\n<p>\u65e5\u672c\u3092\u62e0\u70b9\u3068\u3059\u308b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u6750\u6599\u3092\u8abf\u9054\u3059\u308b\u969b\u3001\u30c9\u30a4\u30c4\u306eDIN 17100&nbsp;<strong>ST52<\/strong>&nbsp;\u898f\u683c\u3092\u56fd\u5185\u307e\u305f\u306f\u73fe\u4ee3\u306e\u56fd\u969b\u30b0\u30ec\u30fc\u30c9\u306b\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3001\u8abf\u9054\u306e\u7b2c\u4e00\u6b69\u3068\u306a\u308a\u307e\u3059\u3002ST52\u306f\u53e4\u3044\u547c\u79f0\u3067\u3042\u308b\u305f\u3081\u3001\u73fe\u5728\u306e\u540c\u7b49\u54c1\u3092\u77e5\u308b\u3053\u3068\u3067\u3001\u7528\u9014\u306b\u9069\u3057\u305f\u6a5f\u68b0\u7684\u7279\u6027\u3092\u78ba\u5b9f\u306b\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e16\u754c\u306e\u540c\u7b49\u54c1\uff08ASTM\u3001EN\u3001JIS\uff09<\/h3>\n\n\n\n<p>\u306e\u6700\u3082\u4e00\u822c\u7684\u306a\u540c\u7b49\u54c1\u306f&nbsp;<strong>ST52<\/strong>&nbsp;\u4e3b\u8981\u306a\u56fd\u969b\u898f\u683c\u5168\u4f53\u3067\u4ee5\u4e0b\u306b\u793a\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u65e5\u672c\u3067\u306f\u3001\u901a\u5e38\u3001ASTM A572 Grade 50\u3092\u4e3b\u8981\u306a\u4ee3\u66ff\u54c1\u3068\u3057\u3066\u691c\u8a0e\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\">\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u540c\u7b49\u30b0\u30ec\u30fc\u30c9<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>ASTM\uff08\u65e5\u672c\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>A572 \u30b0\u30ec\u30fc\u30c950 \/ A656 \u30b0\u30ec\u30fc\u30c950<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>EU\uff08\u30e8\u30fc\u30ed\u30c3\u30d1\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>S355JR \/ S355J2 \/ S355K2<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>JIS\uff08\u65e5\u672c\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>SS490 \/ SM490<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u56fd\u969b\u6a19\u6e96\u5316\u6a5f\u69cb<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>E355<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>GB\uff08\u4e2d\u56fd\uff09<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Q355 \/ Q345<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ST52\u306b\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9<\/strong><\/h2>\n\n\n\n<p>\u4ee5\u4e0b\u306e3\u3064\u306e\u6d3e\u751f\u30b0\u30ec\u30fc\u30c9\u306eST52\u306f\u3001\u964d\u4f0f\u5f37\u5ea6\u304c\u2265355 MPa\u3067\u3001\u5f15\u5f35\u5f37\u5ea6\u304c490\uff5e630 MPa\u3067\u3059\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ST52-3<\/strong><\/h3>\n\n\n\n<p>ST52-3\u306f\u3001\u7d44\u6210\u306e\u5236\u5fa1\u3001\u7c92\u306e\u7d30\u5316\u306e\u305f\u3081\u306e\u8131\u9178\u3001\u898f\u5247\u7684\u306a\u5727\u5ef6\u3001\u4f4e\u6e29\u885d\u6483\u6027\u306e\u4fdd\u8a3c\u3092\u901a\u3058\u3066ST52\u304b\u3089\u958b\u767a\u3055\u308c\u305f\u6b63\u5f0f\u306a\u5546\u696d\u7528\u69cb\u9020\u7528\u92fc\u3067\u3059\u3002\u3053\u308c\u306f\u30c9\u30a4\u30c4\u306eDIN\u898f\u683c\uff08<a href=\"https:\/\/www.fushunspecialsteel.com\/wp-content\/uploads\/2015\/09\/DIN17100-STEELS-FOR-GENERAL-STRUCTURAL-PURPOSES.pdf\" target=\"_blank\" rel=\"noopener\">DIN 17100<\/a>)\u306b\u5c5e\u3057\u3001\u4f4e\u5408\u91d1\u9ad8\u5f37\u5ea6\u69cb\u9020\u7528\u92fc\u3068\u3057\u3066\u4f4d\u7f6e\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u3059\u30020\u00b0C\u3067\u306e\u9069\u5408\u885d\u6483\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u5fc5\u8981\u3067\u3001\u4f38\u3073\u306f18%\u4ee5\u4e0a\u3001\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3068\u6210\u5f62\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u8377\u91cd\u3092\u652f\u3048\u308b\u69cb\u9020\u3084\u6eb6\u63a5\u69cb\u9020\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ST52-3N<\/strong><\/h3>\n\n\n\n<p>ST52-3\u3092\u57fa\u306b\u3001\u7a92\u7d20\u6dfb\u52a0\u3068\u71b1\u51e6\u7406\u3092\u884c\u3044\u3001\u3055\u3089\u306a\u308b\u7c92\u306e\u7d30\u5316\u3092\u5b9f\u73fe\u3057\u305f\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002-20\u00b0C\u3067\u306e\u885d\u6483\u6027\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3001\u4f4e\u6e29\u74b0\u5883\u3084\u52d5\u7684\u8377\u91cd\u306e\u304b\u304b\u308b\u69cb\u9020\u306b\u9069\u3057\u3066\u304a\u308a\u3001\u5f37\u5ea6\u3068\u976d\u6027\u304c\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>ST52-3G<\/strong><\/h3>\n\n\n\n<p>ST52-3G\u306f\u3001\u71b1\u9593\u5727\u5ef6\u3055\u308c\u305fST52-3\u6750\u6599\u3092\u9178\u6d17\u3044\u3001\u51b7\u9593\u5727\u5ef6\u3001\u30a2\u30cb\u30fc\u30ea\u30f3\u30b0\u3092\u7d4c\u3066\u88fd\u9020\u3055\u308c\u307e\u3059\u3002\u66f2\u3052\u3001\u30b9\u30bf\u30f3\u30d7\u3001\u7cbe\u5bc6\u677f\u91d1\u7528\u9014\u306b\u7279\u5316\u3057\u3066\u304a\u308a\u3001\u4f38\u3073\u226516%\u3092\u6301\u3061\u3001\u5fae\u7d30\u7c92\u69cb\u9020\u306e\u69cb\u9020\u7528\u92fc\u3067\u3001\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3068\u71b1\u5f71\u97ff\u57df\u306e\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u305d\u306e\u4ed6\u306eST52\u6d3e\u751f\u30b0\u30ec\u30fc\u30c9\uff1a<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ST52-1<\/strong><\/h4>\n\n\n\n<p>\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306f\u5f15\u5f35\u5f37\u5ea6\u3068\u964d\u4f0f\u5f37\u5ea6\u306e\u307f\u3092\u4fdd\u8a3c\u3057\u3001\u4e0d\u7d14\u7269\uff08P\u304a\u3088\u3073S\u5143\u7d20\uff09\u306e\u53b3\u683c\u306a\u7ba1\u7406\u3084\u885d\u6483\u8a66\u9a13\u306f\u884c\u308f\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u3001\u885d\u6483\u8377\u91cd\u306e\u304b\u304b\u3089\u306a\u3044\u975e\u91cd\u8981\u69cb\u9020\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>ST52-2<\/strong><\/h4>\n\n\n\n<p>\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306f\u3001ST52-1\u3068\u6bd4\u8f03\u3057\u3066\u5316\u5b66\u7d44\u6210\u306e\u7ba1\u7406\u304c\u53b3\u683c\u3067\u4e0d\u7d14\u7269\u30ec\u30d9\u30eb\u304c\u4f4e\u3044\u305f\u3081\u3001\u6eb6\u63a5\u6027\u304c\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u885d\u6483\u976d\u6027\u3092\u4fdd\u8a3c\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u304f\u3001\u5e38\u6e29\u3067\u306e\u4e00\u822c\u7684\u306a\u6eb6\u63a5\u69cb\u9020\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u88fd\u54c1\u5f62\u72b6\u3068\u5bf8\u6cd5<\/h2>\n\n\n\n<p>\u79c1\u305f\u3061\u306f\u63d0\u4f9b\u3057\u307e\u3059&nbsp;<strong>ST52<\/strong>&nbsp;\u30a2\u30e1\u30ea\u30ab\u306e\u5de5\u696d\u5e02\u5834\u306e\u53b3\u3057\u3044\u8981\u6c42\u306b\u5fdc\u3048\u308b\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u72b6\u3068\u30b5\u30a4\u30ba\u3067\u3002\u91cd\u6a5f\u3084\u69cb\u9020\u30d5\u30ec\u30fc\u30e0\u3092\u69cb\u7bc9\u3059\u308b\u5834\u5408\u3067\u3082\u3001\u9069\u5207\u306a\u5f62\u72b6\u3092\u6301\u3064\u3053\u3068\u3067\u52b9\u7387\u3068\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">ST52 \u7121\u7e2b\u92fc\u7ba1<\/h3>\n\n\n\n<p>\u79c1\u305f\u3061\u306e&nbsp;<strong>ST52 \u7121\u7e2b\u92fc\u7ba1<\/strong>&nbsp;\u306f\u9ad8\u5727\u74b0\u5883\u306b\u6700\u9069\u306a\u9078\u629e\u80a2\u3067\u3059\u3002\u6eb6\u63a5\u7d99\u304e\u76ee\u304c\u306a\u3044\u305f\u3081\u3001\u3053\u308c\u3089\u306e\u30d1\u30a4\u30d7\u306f\u30b9\u30c8\u30ec\u30b9\u4e0b\u3067\u306e\u512a\u308c\u305f\u5f37\u5ea6\u3068\u4fe1\u983c\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6cb9\u5727\u30b7\u30b9\u30c6\u30e0\u3001\u30b7\u30ea\u30f3\u30c0\u30fc\u3001\u30ac\u30b9\u8f38\u9001\u306a\u3069\u3001\u6545\u969c\u304c\u8a31\u3055\u308c\u306a\u3044\u7528\u9014\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u7cbe\u5ea6\u304c\u9ad8\u3044\uff1a<\/strong>&nbsp;\u9ad8\u3044\u5bf8\u6cd5\u7cbe\u5ea6\u3067\u53b3\u3057\u3044\u516c\u5dee\u306b\u5bfe\u5fdc\u3002.<\/li>\n\n\n\n<li><strong>\u30d5\u30a3\u30cb\u30c3\u30b7\u30e5\uff1a<\/strong>&nbsp;\u5185\u90e8\u304a\u3088\u3073\u5916\u90e8\u306e\u8868\u9762\u304c\u6ed1\u3089\u304b\u3067\u6469\u64e6\u3092\u4f4e\u6e1b\u3002.<\/li>\n\n\n\n<li><strong>\u8010\u4e45\u6027\uff1a<\/strong>&nbsp;\u5185\u90e8\u5727\u529b\u3068\u6a5f\u68b0\u7684\u6469\u8017\u306b\u5bfe\u3059\u308b\u512a\u308c\u305f\u8010\u6027\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d7\u30ec\u30fc\u30c8\u3001\u30b7\u30fc\u30c8\u3001\u304a\u3088\u3073\u69cb\u9020\u5f62\u72b6<\/h3>\n\n\n\n<p>\u5efa\u8a2d\u3084\u91cd\u6a5f\u88fd\u9020\u5411\u3051\u306b\u3001\u79c1\u305f\u3061\u306f\u63d0\u4f9b\u3057\u307e\u3059&nbsp;<strong>ST52<\/strong>&nbsp;\u5e73\u677f\u304a\u3088\u3073\u69cb\u9020\u7528\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u3002\u3053\u308c\u3089\u306e\u88fd\u54c1\u306f\u3001\u7c21\u5358\u306b\u5207\u65ad\u3001\u6210\u5f62\u3001\u3088\u308a\u5927\u304d\u306a\u7d44\u307f\u7acb\u3066\u306b\u7d44\u307f\u8fbc\u3081\u308b\u3088\u3046\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u71b1\u9593\u5727\u5ef6\u30d7\u30ec\u30fc\u30c8\uff1a<\/strong>&nbsp;\u91cd\u8ca0\u8377\u7528\u306e\u30d9\u30fc\u30b9\u30d7\u30ec\u30fc\u30c8\u3084\u6a5f\u68b0\u30d5\u30ec\u30fc\u30e0\u306b\u6700\u9069\u3002.<\/li>\n\n\n\n<li><strong>\u92fc\u677f\uff1a<\/strong>&nbsp;\u9ad8\u964d\u4f0f\u5f37\u5ea6\u3092\u5fc5\u8981\u3068\u3059\u308b\u30d1\u30cd\u30eb\u3084\u30a8\u30f3\u30af\u30ed\u30fc\u30b8\u30e3\u30fc\u7528\u306e\u8584\u677f\u3002.<\/li>\n\n\n\n<li><strong>\u69cb\u9020\u5f62\u72b6\uff1a<\/strong>&nbsp;\u5efa\u7bc9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5805\u7262\u306a\u9aa8\u683c\u3092\u5f62\u6210\u3059\u308bI\u30d3\u30fc\u30e0\u3001\u30c1\u30e3\u30f3\u30cd\u30eb\u3001\u30a2\u30f3\u30b0\u30eb\u3092\u542b\u3080\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a19\u6e96\u30b5\u30a4\u30ba\u3068\u91cd\u91cf\u4ed5\u69d8<\/h3>\n\n\n\n<p>\u7269\u6d41\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u8981\u4ef6\u3092\u8a08\u753b\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3088\u3046\u306b\u3001\u5f53\u793e\u306f\u8c4a\u5bcc\u306a\u6a19\u6e96\u30b5\u30a4\u30ba\u306e\u5728\u5eab\u3092\u7dad\u6301\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u53d6\u308a\u6271\u3063\u3066\u3044\u308b\u4e00\u822c\u7684\u306a\u5bf8\u6cd5\u306e\u30af\u30a4\u30c3\u30af\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\u3067\u3059\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u88fd\u54c1\u5f62\u614b<\/th><th>\u6a19\u6e96\u30b5\u30a4\u30ba\u7bc4\u56f2<\/th><th>\u4e00\u822c\u7684\u306a\u539a\u3055\/\u58c1\u539a<\/th><\/tr><\/thead><tbody><tr><td><strong>\u7121\u7e2b\u7ba1<\/strong><\/td><td>1\/4\u30a4\u30f3\u30c1\u304b\u308924\u30a4\u30f3\u30c1\uff08\u5916\u5f84\uff09<\/td><td>Sch 40\u3001Sch 80\u3001Sch 160<\/td><\/tr><tr><td><strong>\u92fc\u677f<\/strong><\/td><td>48\u30a4\u30f3\u30c1 x 96\u30a4\u30f3\u30c1\u304b\u308996\u30a4\u30f3\u30c1 x 240\u30a4\u30f3\u30c1<\/td><td>3\/16\u30a4\u30f3\u30c1\u304b\u30894\u30a4\u30f3\u30c1<\/td><\/tr><tr><td><strong>\u89d2\u578b\u30c1\u30e5\u30fc\u30d6<\/strong><\/td><td>1\u30a4\u30f3\u30c1 x 1\u30a4\u30f3\u30c1\u304b\u308912\u30a4\u30f3\u30c1 x 12\u30a4\u30f3\u30c1<\/td><td>1\/8\u30a4\u30f3\u30c1\u304b\u30895\/8\u30a4\u30f3\u30c1<\/td><\/tr><tr><td><strong>\u4e38\u68d2<\/strong><\/td><td>1\/2\u30a4\u30f3\u30c1\u304b\u308910\u30a4\u30f3\u30c1\uff08\u76f4\u5f84\uff09<\/td><td>\u8a72\u5f53\u306a\u3057<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u5f53\u793e\u306f\u3059\u3079\u3066\u306e&nbsp;<strong>ST52<\/strong>&nbsp;\u5728\u5eab\u304c\u53b3\u683c\u306a\u91cd\u91cf\u6bce\u30d5\u30a3\u30fc\u30c8\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3057\u3001\u4e88\u6e2c\u53ef\u80fd\u306a\u6750\u6599\u6027\u80fd\u3068\u51fa\u8377\u30b3\u30b9\u30c8\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30ab\u30b9\u30bf\u30e0\u9577\u3055\u3084\u7279\u6b8a\u306a\u5207\u65ad\u30b5\u30fc\u30d3\u30b9\u3082\u5229\u7528\u53ef\u80fd\u3067\u3001\u73fe\u5834\u3067\u306e\u5ec3\u68c4\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"800\" height=\"540\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/3-4-axis-cnc-machining-room-2.webp\" alt=\"3 4\u8ef8CNC\u52a0\u5de5\u5ba4 (2)\" class=\"wp-image-7008\" style=\"width:700px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/3-4-axis-cnc-machining-room-2.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/3-4-axis-cnc-machining-room-2-300x203.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/3-4-axis-cnc-machining-room-2-768x518.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/01\/3-4-axis-cnc-machining-room-2-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u88fd\u9020\u3068\u4f5c\u696d\u5de5\u7a0b<\/h2>\n\n\n\n<p>\u3068\u5354\u529b\u3057\u3066&nbsp;<strong>ST52<\/strong>&nbsp;\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3042\u308a\u3001\u3053\u308c\u304c\u79c1\u305f\u3061\u306e\u88fd\u9020\u5de5\u5834\u3067\u306e\u5b9a\u756a\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7d20\u6750\u306f\u4e08\u592b\u3067\u3042\u308a\u306a\u304c\u3089\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u904e\u5ea6\u306a\u6469\u8017\u3092\u4f34\u308f\u305a\u306b\u52b9\u7387\u7684\u306a\u751f\u7523\u30b5\u30a4\u30af\u30eb\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002\u30c9\u30ea\u30eb\u3084\u30df\u30ea\u30f3\u30b0\u3001\u6210\u5f62\u3092\u884c\u3046\u5834\u5408\u3067\u3082\u3001\u3053\u306e&nbsp;<strong>\u69cb\u9020\u7528\u92fc<\/strong>&nbsp;\u306f\u6a19\u6e96\u7684\u306a\u5de5\u5834\u306e\u4f5c\u696d\u306b\u826f\u304f\u5bfe\u5fdc\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a5f\u68b0\u52a0\u5de5\u6027\u3068\u5207\u524a\u624b\u9806<\/h3>\n\n\n\n<p><strong>ST52<\/strong>&nbsp;\u9ad8\u5408\u91d1\u92fc\u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u305f\u6a5f\u68b0\u52a0\u5de5\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u5316\u5b66\u7d44\u6210\u306b\u3088\u308a\u3001\u6a19\u6e96\u7684\u306a\u5de5\u5177\u3067\u9ad8\u54c1\u8cea\u306a\u8868\u9762\u4ed5\u4e0a\u3052\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5207\u524a\u65b9\u6cd5\uff1a<\/strong>&nbsp;\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306f&nbsp;<strong>\u9178\u7d20\u30a2\u30bb\u30c1\u30ec\u30f3\u3001\u30d7\u30e9\u30ba\u30de\u3001\u30ec\u30fc\u30b6\u30fc\u5207\u65ad\u306b<\/strong>&nbsp;\u975e\u5e38\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u304d\u308c\u3044\u306a\u30a8\u30c3\u30b8\u3092\u6b8b\u3057\u3001\u901a\u5e38\u306f\u6700\u5c0f\u9650\u306e\u7814\u78e8\u3067\u6e08\u307f\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5de5\u5177\uff1a<\/strong>\u00a0\u6700\u9ad8\u306e\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u3001\u9ad8\u901f\u92fc\uff08HSS\uff09\u307e\u305f\u306f\u30ab\u30fc\u30d0\u30a4\u30c9\u30c1\u30c3\u30d7\u5de5\u5177\u306e\u4f7f\u7528\u3092\u63a8\u5968\u3057\u307e\u3059\u3002 <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>\u305d\u3057\u3066 <a href=\"https:\/\/weldomachining.com\/ja\/service__trashed\/cnc%e6%97%8b%e7%9b%a4\/\" data-type=\"page\" data-id=\"43\">\u56de\u8ee2<\/a>.<\/li>\n\n\n\n<li><strong>\u901f\u5ea6\u3068\u9001\u308a\uff1a<\/strong>\u00a0\u4e3b\u8ef8\u56de\u8ee2\u901f\u5ea6\uff081,000\u20134,000 rpm\uff09\u3068\u9001\u308a\u901f\u5ea6\uff08200\u20131,500 mm\/\u5206\uff09\u306f\u3001\u8352\u52a0\u5de5\u3068\u4ed5\u4e0a\u3052\u52a0\u5de5\u306b\u5408\u308f\u305b\u3066\u8abf\u6574\u53ef\u80fd\u3067\u3001\u65e9\u671f\u306e\u5de5\u5177\u6469\u8017\u306a\u304f\u5b89\u5b9a\u3057\u305f\u30d0\u30c3\u30c1\u751f\u7523\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6eb6\u63a5\u6027\u3068\u63a5\u5408\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6700\u3082\u5927\u304d\u306a\u58f2\u308a\u306e\u4e00\u3064\u306f&nbsp;<strong>ST52<\/strong>&nbsp;\u306e\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3067\u3059\u3002\u4f4e\u70ad\u7d20\u5f53\u91cf\u306b\u3088\u308a\u3001\u786c\u3044\u92fc\u306b\u4e00\u822c\u7684\u306b\u898b\u3089\u308c\u308b\u4e80\u88c2\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e88\u71b1\u4e0d\u8981\uff1a<\/strong>&nbsp;\u307b\u3068\u3093\u3069\u306e\u6a19\u6e96\u539a\u3055\u306b\u3064\u3044\u3066\u3001\u4e88\u71b1\u5de5\u7a0b\u3092\u7701\u7565\u3067\u304d\u3001\u4f5c\u696d\u6642\u9593\u3092\u5927\u5e45\u306b\u7bc0\u7d04\u3067\u304d\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u4e00\u822c\u7684\u306a\u6280\u8853\uff1a<\/strong>&nbsp;\u306f&nbsp;<strong>SMAW\uff08\u30b9\u30c6\u30a3\u30c3\u30af\uff09\u3001GMAW\uff08MIG\uff09\u3001GTAW\uff08TIG\uff09<\/strong>&nbsp;\u6eb6\u63a5\u3068\u5b8c\u5168\u306b\u4e92\u63db\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u30b8\u30e7\u30a4\u30f3\u30c8\u306e\u5b8c\u5168\u6027\uff1a<\/strong>\u00a0\u6eb6\u63a5\u30be\u30fc\u30f3\u306f\u512a\u308c\u305f\u00a0<strong>\u6a5f\u68b0\u7684\u6027\u8cea<\/strong>, \u3092\u7dad\u6301\u3057\u3001\u5168\u4f53\u306e\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u4fdd\u3061\u307e\u3059\u3002\u6c17\u5b54\u3084\u4e80\u88c2\u306a\u3069\u306e\u6eb6\u63a5\u6b20\u9665\u304c\u306a\u3051\u308c\u3070\u3001ST52\u69cb\u9020\u7528\u92fc\u306e\u6eb6\u63a5\u90e8\u5206\u306e\u5f15\u5f35\u5f37\u5ea6\u306f\u57fa\u6750\u306e90%\uff5e100%\u306b\u9054\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board.webp\" alt=\"st52-3\u5408\u91d1\u677f\" class=\"wp-image-9898\" style=\"width:600px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board-300x300.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board-150x150.webp 150w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board-768x768.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/04\/st52-3-alloy-board-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">st52-3\u5408\u91d1\u677f<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u71b1\u51e6\u7406\u3068\u8868\u9762\u4ed5\u4e0a\u3052<\/h3>\n\n\n\n<p>\u6700\u5927\u9650\u306b\u6d3b\u7528\u3059\u308b\u305f\u3081\u306b&nbsp;<strong>ST52<\/strong>, \u3001\u71b1\u3084\u4ed5\u4e0a\u3052\u306b\u5bfe\u3059\u308b\u53cd\u5fdc\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u901a\u5e38\u306f\u305d\u306e\u307e\u307e\u5727\u5ef6\u307e\u305f\u306f\u6b63\u898f\u5316\u72b6\u614b\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u6c42\u306b\u5fdc\u3058\u3066\u3055\u3089\u306b\u52a0\u5de5\u3059\u308b\u3053\u3068\u3082\u53ef\u80fd\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6b63\u898f\u5316\uff1a<\/strong>&nbsp;\u3053\u306e\u92fc\u6750\u306f\u3057\u3070\u3057\u3070\u7d50\u6676\u7c92\u3092\u7d30\u304b\u304f\u3059\u308b\u305f\u3081\u306b\u6b63\u898f\u5316\u3055\u308c\u3001\u885d\u6483\u5f37\u5ea6\u3068\u5747\u4e00\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u5fdc\u529b\u9664\u53bb\uff1a<\/strong>&nbsp;\u91cd\u3044\u6a5f\u68b0\u52a0\u5de5\u3084\u8907\u96d1\u306a\u6eb6\u63a5\u3092\u884c\u3063\u305f\u5834\u5408\u3001\u5fdc\u529b\u9664\u53bb\u306e\u71b1\u51e6\u7406\u306f\u6b6a\u307f\u3092\u9632\u304e\u3001\u5bf8\u6cd5\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8868\u9762\u6e96\u5099\uff1a<\/strong>\u00a0\u3053\u308c\u306f\u00a0<strong>\u7d20\u6750\u30b0\u30ec\u30fc\u30c9<\/strong>\u00a0\u9632\u8b77\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5bb9\u6613\u306b\u9069\u5fdc\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u00a0<strong>\u71b1\u6d78\u4e9c\u925b\u3081\u3063\u304d\u3001\u7c89\u4f53\u5857\u88c5\u3001\u307e\u305f\u306f\u5de5\u696d\u7528\u5857\u88c5<\/strong>\u00a0\u306b\u6700\u9069\u306a\u5019\u88dc\u3067\u3059\u3002\u5c4b\u5916\u30a4\u30f3\u30d5\u30e9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8150\u98df\u9632\u6b62\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">ST52\u92fc\u306e\u7528\u9014<\/h2>\n\n\n\n<p>\u7523\u696d\u754c\u3092\u898b\u308b\u3068\u3001ST52\u306f\u975e\u5e38\u306b\u591a\u7528\u9014\u306a\u6750\u6599\u30b0\u30ec\u30fc\u30c9\u3068\u3057\u3066\u969b\u7acb\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5353\u8d8a\u3057\u305f\u6a5f\u68b0\u7684\u6027\u8cea\u306e\u304a\u304b\u3052\u3067\u3001\u3053\u306e\u92fc\u306f\u65e5\u672c\u306e\u3055\u307e\u3056\u307e\u306a\u8981\u6c42\u306e\u53b3\u3057\u3044\u30bb\u30af\u30bf\u30fc\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u91cd\u3044\u30a4\u30f3\u30d5\u30e9\u304b\u3089\u7cbe\u5bc6\u6a5f\u68b0\u307e\u3067\u3001\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306b\u4f9d\u5b58\u3057\u3066\u6b63\u78ba\u306b\u4ed5\u4e8b\u3092\u5b8c\u4e86\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5efa\u8a2d\u304a\u3088\u3073\u69cb\u9020\u30d7\u30ed\u30b8\u30a7\u30af\u30c8<\/h3>\n\n\n\n<p>\u5efa\u8a2d\u696d\u754c\u3067\u306f\u3001\u5b89\u5168\u6027\u3068\u8010\u4e45\u6027\u306f\u59a5\u5354\u3067\u304d\u307e\u305b\u3093\u3002ST52\u306f\u4e3b\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5fc5\u8981\u306a\u9ad8\u3044\u8377\u91cd\u652f\u6301\u80fd\u529b\u3092\u63d0\u4f9b\u3059\u308b\u512a\u308c\u305f\u69cb\u9020\u7528\u92fc\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6a4b\u6881\u3068\u9ad8\u67b6\u6a4b\uff1a<\/strong>&nbsp;\u9ad8\u3044\u52d5\u7684\u8377\u91cd\u3084\u7d76\u3048\u9593\u306a\u3044\u632f\u52d5\u306b\u5bb9\u6613\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u9ad8\u5c64\u30d3\u30eb\u306e\u30d5\u30ec\u30fc\u30e0\uff1a<\/strong>&nbsp;\u5546\u696d\u7528\u8d85\u9ad8\u5c64\u30d3\u30eb\u306b\u5fc5\u8981\u306a\u57fa\u672c\u7684\u306a\u5b89\u5b9a\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u6d0b\u4e0a\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\uff1a<\/strong>&nbsp;\u904e\u9177\u3067\u9ad8\u30b9\u30c8\u30ec\u30b9\u306a\u74b0\u5883\u6761\u4ef6\u306b\u5bfe\u3057\u3066\u5805\u7262\u306a\u8010\u6027\u3092\u767a\u63ee\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u6a5f\u68b0\u304a\u3088\u3073\u6cb9\u5727\u5de5\u5b66<\/h3>\n\n\n\n<p>\u91cd\u6a5f\u3092\u88fd\u9020\u3059\u308b\u969b\u3001\u6750\u6599\u306f\u6975\u7aef\u306a\u904b\u8ee2\u30b9\u30c8\u30ec\u30b9\u306b\u8010\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6027\u80fd\u7279\u6027\u3092\u5099\u3048\u305f\u30de\u30f3\u30ac\u30f3\u92fc\u306b\u4f3c\u305fST52\u306e\u7d44\u6210\u306f\u3001\u9ad8\u5727\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6cb9\u5727\u30b7\u30ea\u30f3\u30c0\u30fc\uff1a<\/strong>&nbsp;\u6975\u7aef\u306a\u5185\u90e8\u5727\u529b\u3092\u5b89\u5168\u306b\u4fdd\u6301\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u30b7\u30fc\u30e0\u30ec\u30b9\u30d1\u30a4\u30d7\u306e\u5b9a\u756a\u9078\u629e\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u91cd\u6a5f\u904b\u642c\u88c5\u7f6e\uff1a<\/strong>&nbsp;\u7523\u696d\u7528\u30af\u30ec\u30fc\u30f3\u3001\u30d6\u30eb\u30c9\u30fc\u30b6\u30fc\u3001\u30b7\u30e7\u30d9\u30eb\u30ab\u30fc\u306e\u69cb\u9020\u7684\u57fa\u76e4\u3092\u5f62\u6210\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u8fb2\u696d\u6a5f\u68b0\uff1a<\/strong>&nbsp;\u8352\u308c\u305f\u8fb2\u5834\u74b0\u5883\u3067\u306e\u65e5\u5e38\u7684\u306a\u9177\u4f7f\u306b\u8010\u3048\u308b\u4e08\u592b\u3055\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u81ea\u52d5\u8eca\u304a\u3088\u3073\u88fd\u9020\u696d\u754c<\/h3>\n\n\n\n<p>\u81ea\u52d5\u8eca\u751f\u7523\u3084\u4e00\u822c\u7684\u306a\u88fd\u9020\u306b\u306f\u3001\u539f\u59cb\u7684\u306a\u5f37\u5ea6\u3068\u512a\u308c\u305f\u52a0\u5de5\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u305f\u6750\u6599\u304c\u5fc5\u8981\u3067\u3059\u3002ST52\u306f\u73fe\u4ee3\u306e\u88fd\u9020\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u5b8c\u74a7\u306b\u9069\u5408\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5546\u7528\u8eca\u306e\u30b7\u30e3\u30fc\u30b7\uff1a<\/strong>&nbsp;\u6700\u5927\u7a4d\u8f09\u91cf\u306e\u4e0b\u3067\u3082\u91cd\u91cf\u8eca\u4e21\u3084\u30c8\u30ec\u30fc\u30e9\u30fc\u3001\u8f38\u9001\u8eca\u4e21\u306e\u69cb\u9020\u7684\u5065\u5168\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u6a5f\u68b0\u90e8\u54c1\uff1a<\/strong>&nbsp;\u8010\u4e45\u6027\u306e\u3042\u308b\u30ae\u30a2\u3001\u30c9\u30e9\u30a4\u30d6\u30b7\u30e3\u30d5\u30c8\u3001\u91cd\u8ca0\u8377\u7528\u30d9\u30fc\u30b9\u30d7\u30ec\u30fc\u30c8\u306e\u88fd\u9020\u306b\u7406\u60f3\u7684\u3067\u3059\u3002.<\/li>\n\n\n\n<li><strong>\u7523\u696d\u7528\u8caf\u8535\u30bf\u30f3\u30af\uff1a<\/strong>&nbsp;\u9ad8\u5bb9\u91cf\u306e\u6db2\u4f53\u8caf\u8535\u30b7\u30b9\u30c6\u30e0\u306e\u305f\u3081\u306e\u5b89\u5168\u3067\u9577\u6301\u3061\u3059\u308b\u5bb9\u5668\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>ST52\u70ad\u7d20\u92fc\u306f\u3001\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3068\u52a0\u5de5\u6027\u3092\u6301\u3064\u9ad8\u5f37\u5ea6\u306e\u69cb\u9020\u6750\u6599\u3067\u3042\u308a\u3001\u5efa\u8a2d\u3001\u6a5f\u68b0\u3001 \u9ad8\u5727\u7528\u9014\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u5b89\u5b9a\u3057\u305f\u7d44\u6210\u3068\u4fe1\u983c\u6027\u306e\u3042\u308b\u6a5f\u68b0\u7684\u6027\u80fd\u306b\u3088\u308a\u3001\u6a19\u6e96\u7684\u306a\u70ad\u7d20\u92fc\u304b\u3089\u306e\u7406\u60f3\u7684\u306a\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u3068\u306a\u308a\u307e\u3059\u3002. <\/p>\n\n\n\n<p>\u8a73\u7d30\u60c5\u5831\u3084\u30ab\u30b9\u30bf\u30e0ST52\u52a0\u5de5\u898b\u7a4d\u3082\u308a\u306b\u3064\u3044\u3066\u306f\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002 <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\">\u30b3\u30f3\u30bf\u30af\u30c8 <\/a><a href=\"https:\/\/weldomachining.com\/ja\/\" data-type=\"page\" data-id=\"6\">\u30a6\u30a7\u30eb\u30c9 <\/a>\u6a5f\u68b0\u52a0\u5de5\u2014\u7af6\u4e89\u529b\u306e\u3042\u308b\u4fa1\u683c\u3068\u5c02\u9580\u7684\u306a\u30b5\u30fc\u30d3\u30b9\u3067\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3057\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=\"540\" src=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/02\/weldo-machining-center-3.webp\" alt=\"\u30a6\u30a7\u30eb\u30c9\u30de\u30b7\u30cb\u30f3\u30b0\u30bb\u30f3\u30bf\u30fc\" class=\"wp-image-7645\" style=\"width:700px\" srcset=\"https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/02\/weldo-machining-center-3.webp 800w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/02\/weldo-machining-center-3-300x203.webp 300w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/02\/weldo-machining-center-3-768x518.webp 768w, https:\/\/weldomachining.com\/wp-content\/uploads\/2026\/02\/weldo-machining-center-3-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Overview of ST52 Steel ST52 steel is a high-strength, low-alloy structural steel known for its exceptional versatility and durability. As a premier choice in heavy engineering and construction, this material offers a superior balance of weldability and mechanical strength. It is specifically designed to handle high-stress environments where structural integrity is non-negotiable. Definition and DIN 17100 Standard ST52 is defined under the&nbsp;DIN 17100&nbsp;standard, a German technical specification for structural steels. The nomenclature \u201cSt\u201d stands for \u201cSteel,\u201d while the number \u201c52\u201d refers to its minimum tensile strength of&nbsp;52 kg\/mm\u00b2&nbsp;(approximately 510-630 MPa). Feature Specification Standard DIN 17100 Material Type High-Strength Low-Alloy (HSLA) Common Grade ST52-3 (Fully Killed Steel) Primary Use Structural and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-9887","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\/9887","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=9887"}],"version-history":[{"count":4,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts\/9887\/revisions"}],"predecessor-version":[{"id":9899,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/posts\/9887\/revisions\/9899"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/media\/9892"}],"wp:attachment":[{"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/media?parent=9887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/categories?post=9887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/weldomachining.com\/ja\/wp-json\/wp\/v2\/tags?post=9887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}