SHEET METAL
Sheet Metal Fabrication Services
Laser Cut Sheet Metal Parts
Precision cutting for brackets, panels, and enclosures with accurate profiles. Suitable for custom sheet metal prototypes and production parts.
CNC Bent Sheet Metal Parts
Controlled bending for forming precise angles and shapes. Suitable for brackets, housings, and structural metal components.
Welded Sheet Metal Assemblies
Metal welding for joining multiple sheet components into complete structures. Suitable for frames, enclosures, and custom assemblies.
Sheet Metal Materials
| Material | Typical Grades | Typical Dimensional Tolerance | Notes |
| Aluminum | 5052, 6061, 3003, 5754, 5083 and similar sheet grades |
Laser-cut: ±0.05-0.10 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. Good for panels, covers, brackets, enclosures, and lightweight structures. |
| Stainless Steel | 304, 316, 430 and similar sheet grades |
Laser-cut: ±0.05-0.10 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. Good for corrosion-resistant covers, brackets, and exposed parts. |
| Carbon Steel / Galvanized Steel | SPCC, SECC, SGCC, S355, S420 and similar sheet grades |
Laser-cut: ±0.05-0.10 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. Suitable for structures, frames, covers, cabinets, and welded parts. |
| Copper | C11000, C10200, ETP copper and busbar materials |
Laser-cut: ±0.05-0.10 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. High conductivity for electrical busbars and heat sinks. Requires anti-oxidation surface treatment. |
| Brass | C26000, C26800, C27400, C28000 |
Laser-cut: ±0.05-0.10 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. Decorative or conductive sheet parts. Grain direction and surface finish must be considered. |
| Titanium | Ti-6Al-4V (Grade 5), CP Titanium (Gr1, Gr2) |
Laser-cut: ±0.05-0.15 mm Bending: ±0.10-0.30 mm |
Standard per ISO 2768-m. High strength-to-weight ratio. Suitable for aerospace, medical equipment structural parts, and high-performance robots. |
Sheet Metal Surface Finishes
Screen Printing
Screen Printing
Zinc Plating
Zinc Plating
Anodizing
Anodizing
Powder Coating
Powder Coating
Brushing
Brushing
As Fabricated
As Fabricated
Sheet Metal Fabrication Across Industries
Sheet Metal Fabrication Tolerances & Standards
| Basic Size Range (mm) | Fine (ISO 2768-f) | Medium (ISO 2768-m) | Coarse (ISO 2768-c) | Very Coarse (ISO 2768-v) |
| 0.5 up to 3 | ± 0.05mm | ± 0.1mm | ± 0.2mm | – |
| over 3 up to 6 | ± 0.05mm | ± 0.1mm | ± 0.3mm | ± 0.5mm |
| over 6 up to 30 | ± 0.1mm | ± 0.2mm | ± 0.5mm | ± 1mm |
| over 30 up to 120 | ± 0.15mm | ± 0.3mm | ± 0.8mm | ± 1.5mm |
| over 120 up to 400 | ± 0.2mm | ± 0.5mm | ± 1.2mm | ± 2.5mm |
| over 400 up to 1000 | ± 0.3mm | ± 0.8mm | ± 2mm | ± 4mm |
| over 1000 up to 2000 | ± 0.5mm | ± 1.2mm | ± 3mm | ± 6mm |
| over 2000 up to 4000 | – | ± 2mm | ± 4mm | ± 8mm |
Sheet Metal Fabrication
Engineering Support & DFM Review
Prototype to Production Manufacturing
Complete Fabrication Process
Parts Completed in as Fast as 2-3 Days
Sheet Metal Fabrication FAQs
How do I request a sheet metal quote?
Provide CAD drawings, material specifications, thickness, quantity, and finishing requirements for a detailed quotation.
How do you ensure sheet metal quality?
We inspect dimensions, bending accuracy, assembly fit, and surface quality throughout the manufacturing process.
Can you handle prototype and production sheet metal parts?
Yes. We support prototype builds, low-volume orders, and production quantities with flexible manufacturing options.
What is the lead time for sheet metal parts?
Typical lead times are around 2-3 days for simple projects. Complex assemblies and finishing requirements may require additional processing time.
What finishing options are available?
Finishes include powder coating, anodizing, brushing, polishing, plating, painting, and other protective surface treatments.
What tolerances can sheet metal parts achieve?
Tolerance depends on material thickness, part size, bending requirements, and manufacturing process. Critical dimensions are controlled according to drawing requirements.
What materials can be used for sheet metal fabrication?
Common materials include aluminum, stainless steel, carbon steel, copper, and brass with different thickness options available.
What sheet metal services do you offer?
We provide laser cutting, bending, welding, finishing, and assembly services for custom brackets, enclosures, panels, and structural components.
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+86 0769-21680692
+86 137 1200 5389
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Email : quote@best-prototypes.com
Address : Block 4, Longguang Innovation Park, Zhen'an East Road
No. 74,Chang'an Town,Dongguan,Guangdong, China
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