Main Products: steel pipe
Q420QNH Corten Steel Plate for Bridge Building
USD $500 - $800 /Ton
Min.Order:1 Ton
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Business Type: AgentMain Products: steel pipeProduct Details
| Grade | Quality Grade | Specification/mm | Standard |
| Q295GNH | A B C D E
| 6-50 x 1600-3250 | GB/T 4171 or Technical Agreement |
| Q355GNH | 6-50 x 1600-3250 |
Chemical Composition
| Grade | Chemical Composition (%) | |||||||
| C | Si | Mn | P | S | Cr | Cu | Ni | |
| Q295GNH | ≤0.12 | 0.1-0.4 | 0.20-0.50 | 0.07-0.12 | ≤0.020 | 0.3-0.65 | 0.25-0.45 | 0.25-0.5 |
| Q355GNH | ≤0.12 | 0.25-0.75 | ≤1.0 | 0.07-0.15 | ≤0.020 | 0.3-1.25 | 0.25-0.55 | ≤0.65 |
Technical Property
Grade | Yield Strength/MPa | Tensile strength/MPa | Elongation/% |
| Q295GNH | ≥295 | 360-510 | ≥24 |
| Q355GNH | ≥355 | 490-630 | ≥22 |
The high - resistant steel series products are mainly used in vehicles, containers, buildings, tower stands or other structural parts, and have better anti-atmospheric corrosion resistance compared with welding resistant steel.
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