
| Grade | Q235B |
| Surface Finish | Mill Finish / Cold Drawn |
| Length | 1000–6000 mm |
| Diameter | 8–200 mm |
| Stock | Contact for stock |
| MOQ | Flexible MOQ · 24h reply |
| Lead Time | 7-15 days |
| Certificate | ISO 9001, SGS, ASTM A29, EN 10060, GB/T 699 |
Current stock covers diameter 8–200 mm, length 1000–6000 mm. Q235B is China's general structural carbon steel, equivalent to ASTM A36, with 235 MPa minimum yield. It is stocked for Structural steel, construction frames and container fabrication. We slit, cut and finish to order, with MTC documentation and 7-10 day dispatch on stocked sizes.
| Specification | Value |
|---|---|
| Surface Finish | Mill Finish / Cold Drawn |
| Length | 1000–6000 mm |
| Diameter | 8–200 mm |
| C | Si | Mn | P | S | V |
|---|---|---|---|---|---|
| ≤0.22 | ≤0.30 | 0.30–1.40 | ≤0.045 | ≤0.050 | ≤0.15 |
| Property | Value |
|---|---|
| Tensile Strength | 370–500 MPa |
| Yield Strength | ≥235 MPa |
| Elongation | ≥26% |
| Hardness | ≤130 HB |
| Density | 7.85 g/cm³ |
1Each product is covered with PE protective film to prevent scratches and oxidation during transit and storage.
2Products are wrapped with moisture-proof paper and foam to provide cushioning and humidity protection.
3Steel strapping and corner protectors are applied to reinforce the package structure for heavy-duty transport.
4Each package is clearly labeled with product specifications, batch number, weight, and handling instructions.
1Confirm specs, quantity and lead time, sign PI, then schedule production after deposit received.
2Manufacturing with in-line quality checks; SGS/BV third-party inspection available upon request.
3Container booking, factory loading, and departure from Shanghai or Ningbo port.
4Customs declaration, Bill of Lading, and all export documents issued for smooth clearance.