Sheet Metal Fabrication
Custom Sheet Metal Fabrication Services
Laser-cut, bent, welded and finished sheet metal parts for brackets, enclosures, panels, frames and assemblies. Upload your drawing for a manufacturability review and a transparent production quote.
Cut · Form · Join · Finish
How Sheet Metal Fabrication Works
Flat sheet is converted into finished components through a controlled sequence selected from the drawing, material, thickness and production volume.
Cutting & Punching
Profiles, holes, slots and repeated features are produced from nested sheet stock.
CNC Bending
Flanges and forms are created while controlling radius, direction and springback.
Joining & Hardware
Welding, riveting and inserted hardware are applied to the approved assembly plan.
Finishing & Inspection
Critical dimensions, finish requirements and assembly condition are verified.
Machined interfaces, bosses and precision inserts can be coordinated through our CNC machining capabilities within the same project route.
Fabrication Capability
Sheet Metal Fabrication Parameters
These values support early planning. Final capability is confirmed from material, thickness, geometry, tooling, datum strategy and inspection method.
| Capability | Planning Reference |
|---|---|
| Laser-Cut Profiles | Typically ±0.10–0.20 mm for suitable features |
| Maximum Bend Length | Up to 3100 mm* |
| Bend Angle | Typically ±0.5–1.0° |
| Inside Bend Radius | Normally at least the material thickness; grade and temper dependent |
| Joining Options | Welding, riveting, threaded inserts and mechanical assembly |
| Finishing Options | Powder coating, anodizing, plating, passivation, brushing and blasting |
| Production Volume | Prototype, low-volume and repeat production |
*Maximum dimensions also depend on machine access, material thickness, bend geometry and tooling availability.
Drawing-Based Tolerances
Sheet Metal Tolerance Planning
Forming and welding introduce variables that do not exist on a flat cut blank. Specify functional datums and critical features individually.
| Feature | Typical Planning Reference | Drawing Guidance |
|---|---|---|
| Laser-Cut Profile or Hole | ±0.10–0.20 mm | Identify critical edges and datum relationships. |
| Hole-to-Hole Before Forming | ±0.10–0.20 mm | Use individual tolerances for locating features. |
| Bend Location | ±0.25–0.50 mm | Reference the functional face after forming. |
| Bend Angle | ±0.5–1.0° | State tighter angular needs for review. |
| Welded Assembly | Project-specific | Define datums, sequence-sensitive dimensions and inspection state. |
These values are design references, not blanket guarantees. ISO 2768 applies only when invoked on the drawing and does not replace bend-, weld- or assembly-specific tolerances.
Material Selection
Materials for Sheet Metal Parts
Compare each material by formability, strength, corrosion exposure, conductivity and the function of the finished part.
Cold-Rolled Steel
Combines strength, formability and low material cost. Its consistent surface bends cleanly on standard press brakes and accepts paint or powder coat, making it well suited to cabinets, brackets, panels and machine covers.
Structural Steel
A36 and Q235-type steels provide economical load capacity for frames, bases, supports and welded assemblies. Heavier gauges require more forming force and generous bend radii but remain straightforward to weld and fabricate.
Stainless Steel
Combines high strength with corrosion resistance but requires higher bending force and tighter springback control than mild steel. Common 304 and 316 grades suit equipment housings, food-service panels and chemical-environment components.
Aluminum
Low density, corrosion resistance and good formability support lightweight covers, enclosures, panels and transport parts. Grades 3003 and 5052 bend readily; less-ductile tempers such as 6061-T6 need larger inside radii.
Copper
Excellent ductility and electrical or thermal conductivity allow small-radius bends and complex forms. Copper is widely used for busbars, terminals, EMI shields and heat-transfer parts, while cosmetic faces need scratch protection.
Brass
Offers good formability, corrosion resistance, conductivity and a decorative golden finish. Temper-dependent springback is controlled for contacts, connector brackets, instrument panels and architectural trim.
Final grade, temper, thickness, certification and finish are confirmed against the drawing and service conditions.
Design for Fabrication
Reduce Sheet Metal Cost at the Drawing Stage
Consistent stock, practical bends and clearly defined inspection requirements reduce setup, tooling and rework.
Use Consistent Thickness
One stock thickness simplifies purchasing, tooling and inspection.
Define Bend Radius
Match the inside radius and relief to grade, temper and thickness.
Protect Nearby Holes
Move features away from bend zones or add suitable relief.
Control Welds & Datums
Specify critical joints, cosmetic faces and post-weld inspection references.
Fabricated Part Projects
Custom Sheet Metal Parts
Brackets, panels, enclosures, frames and formed assemblies in common engineering metals.
Sheet Metal FAQ
Plan Your Fabrication Project
How is distortion controlled during bending and welding?
Use suitable bend radii, balanced joint design, controlled heat input, planned weld sequence and fixturing. Critical dimensions should be inspected in the specified final condition.
How is the minimum bend radius selected?
It is selected from material grade, temper, thickness, grain direction, tool opening and required appearance. The final value is confirmed during drawing review.
What files are needed for a sheet metal quote?
Provide a 3D model or flat pattern, a dimensioned drawing, material and thickness, quantity, finish, hardware, weld symbols and inspection requirements.
Can inserts, hardware and assembly be included?
Yes. Define the fastener type, installation location, torque or pull-out requirement, assembly condition and any protected surfaces.
What affects sheet metal cost and lead time?
Material, thickness, nesting yield, bend count, tooling, welding, hardware, finish, tolerance, inspection and order quantity have the greatest effect.