Q355nh Weathering Steel Plate
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High-strength steel plate suitable for bridges and construction. Chemical composition and mechanical properties meet EN10025-5 standards. For more info, visit https://www.cjmsteelgroup.com/q355nh-weathering-steel-plate.
Specifications and Standards
| Standard | Grade | Thickness (mm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|---|---|
| GB/T 4171 | Q355NH | 3-40 | ≥355 | 490-630 | ≥20 |
| GB/T 4171 | Q295NH | 3-40 | ≥295 | 430-580 | ≥21 |
Chemical Composition (%)
| Element | C | Si | Mn | P | S | Cu | Ni | Cr | Nb |
|---|---|---|---|---|---|---|---|---|---|
| Q355NH | ≤0.20 | 0.30 | 1.00 | ≤0.035 | ≤0.035 | 0.25 | 0.30 | 0.30 | ≤0.10 |
| Q295NH | ≤0.22 | 0.30 | 1.20 | ≤0.035 | ≤0.035 | 0.20 | 0.25 | 0.20 | ≤0.10 |
Mechanical Properties
| Grade | Thickness (mm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Impact Energy (J) at -20℃ |
|---|---|---|---|---|---|
| Q355NH | 3-16 | ≥355 | 490-630 | ≥20 | ≥27 |
| Q355NH | 16-40 | ≥345 | 470-630 | ≥20 | ≥27 |
| Q295NH | 3-16 | ≥295 | 430-580 | ≥21 | ≥27 |
| Q295NH | 16-40 | ≥285 | 410-580 | ≥21 | ≥27 |
Dimensions & Supply Options
- Thickness: 2mm – 100mm
- Width: Up to 3000mm
- Length: Up to 12000mm or customized
- Standards: GB/T 4171, Mill Certificate EN 10204 3.1 available
- Processing: Laser cutting, plasma cutting, CNC bending, drilling, surface treatment
- Packaging: Steel pallet + anti-rust film + seaworthy protection
- Shipping terms: FOB / CIF / DDP – supported for Southeast Asia, Middle East, South America, EU & Africa
Business Nature
Supplier
Year Established
2010
Country/Region
Xi'an, China
Main Products
Steel...
Payment Terms
Credit Card (CC), Doc Against Acceptance (D/A), Doc Against Payment (D/P), Letter of Credit (L/C), Bank wire (T/T)
CJMsteelgroup is a professional company in China’s steel industry, with an impressive annual inventory of over 1 million tons. This large stock allows the company to meet customer needs quickly and maintain a strong position in the global steel market. The company provides a wide range of products, including carbon steel plates, coils, pipes, and bars, as well as structural steel like H-beams, I-beams, channel steel, and angle steel. They also offer alloy steel plates, pipes, bars, strips, and wires, ensuring high-quality solutions for different industries.
