Q355NH Weather Resistant Steel Plate 0.5mm-2mm Cold Rolled with 490-630 MPa Tensile Strength
Q355NH weathering steel plate under China GB/T 4171 standard offers exceptional atmospheric corrosion resistance with high tensile strength ranging from 490-630 MPa. This material provides superior weldability and low-temperature impact toughness, making it ideal for architectural applications and weather-resistant weldments.
| Parameter | Specifications |
|---|---|
| Product Name | Q355NH Weather Resistance Steel Plate |
| Thickness | Cold Rolled: 0.3-1.5mm Hot Rolled: 1.6-40mm |
| Width | 1000-2000mm |
| Length | Custom requirements |
| Standards | ASTM: Corten A/B, A588 GR.A/B, A242 EN: S355J0W, S355J2W, S355J0WP, S355J2WP JIS: G3125 SPA-H/C, G3114 SMA400/490AW/BW/CW GB: 09CuPCrNi-A, B480GNQR, Q235NH, Q295NH, Q355NH, Q355GNH, Q460N |
| Finish | Mill finish / Oxided rust treatment finish |
| Brand | Baosteel / Shougang / Wugang / Nangang / Angang / Jigang |
| Certification | ISO, SGS, BV, ROHS, IBR |
| Delivery Time | 7-15 days or customized |
| Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
|---|---|---|---|---|---|---|---|---|
| CORTEN A | ≤0.12 | 0.25-0.75 | 0.20-0.50 | 0.07-0.15 | ≤0.030 | 0.50-1.25 | ≤0.65 | 0.25-0.55 |
| CORTEN B | ≤0.16 | 0.30-0.50 | 0.80-1.25 | 0.03 | ≤0.030 | 0.40-0.65 | 0.4 | 0.25-0.40 |
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| CORTEN A | ≥355 | 470-630 | ≥20 |
| CORTEN B | ≥345 | 470-630 | ≥20 |
Q355NH weathering steel is widely used in architectural structures, landscape artifacts, bridges, containers, railway vehicles, and other outdoor applications requiring superior atmospheric corrosion resistance.
- Third-party certifications available (TUV, CE)
- Complete quality inspection system with QC checks at every process
- Ready stock available for most material grades
- Standard export packing for secure transportation
As a group of companies with owned manufacturing bases and trading operations, we specialize in special steel production including alloy structural steel, carbon steel, and stainless steel with high quality and competitive pricing.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.