| Shape | Specifications (mm) | Roughness Ra (µm) | Length (m) |
| Square Steel | 4×4 – 90×90 | ≤1.6 | 2.5–8.0, Customizable |
| Flat Steel | 3×8 – 10×120 | ≤1.6 | 2.5–8.0, Customizable |
| Hexagon Steel | S6 – S75 | ≤1.6 | 2.5–8.0, Customizable |
| Remark | Customizable Cold-Drawn Profiles / Shaped Steel Wire | ||
| Size (mm) | h9 | h10 | h11 |
| >3-6 | 0, -0.030 | 0, -0.048 | 0, -0.075 |
| >6-10 | 0, -0.036 | 0, -0.058 | 0, -0.090 |
| >10-18 | 0, -0.043 | 0, -0.070 | 0, -0.110 |
| >18-30 | 0, -0.052 | 0, -0.084 | 0, -0.130 |
| >30-50 | 0, -0.062 | 0, -0.100 | 0, -0.160 |
| >50-80 | 0, -0.074 | 0, -0.120 | 0, -0.190 |
Our cold-drawn steel products can achieve dimensional tolerances of ±0.03mm, with precision products reaching ±0.02mm — well above industry standards.
We offer a wide range of material grades:
· Carbon steel: 1018, 1045 etc.
· Alloy steel: 4140, 42CrMo, 8620, etc.
· Stainless steel: 304, 316, 303, etc.
· Free-cutting steel:1215、12L14 etc.
· Custom materials are also available upon request.
Our MOQ for standard specifications is 2 ton. Custom products vary by specification. We also support small trial orders for quality verification.
Yes, we provide complete material documentation including:
· Mill Test Certificates
· Chemical composition reports
· Mechanical property test reports
· Dimensional inspection reports
All products are traceable and support third-party inspection.
Our cold-drawn steel features a bright, smooth surface ready for immediate use. Upon request, we also provide:
· Polished finish
· Ground finish
· Passivation (for stainless steel)
Standard packaging: Anti-rust paper, waterproof packaging, secured on wooden pallets or in wooden crates.
Shipping: By sea, air, or land. Supports FOB, CIF, EXW, etc.
Lead time: 7-15 days for standard products, 15-30 days for custom products.
Our cold-drawn steel is widely used in:
· Automotive parts manufacturing
· Precision machinery and machine tools
· Electronics and electrical equipment
· Hydraulic and pneumatic components
· Aerospace components
· Medical devices
· Hardware tools
We implement strict quality control:
· Incoming material inspection
· In-process monitoring at key control points
· 100% or sampling inspection for finished products
· Advanced testing equipment (spectrometer, tensile testing machine, hardness tester, etc.)
· ISO 9001 certified quality management system