Products Description
GB/T 4171 Q295NH atmospheric corrosion resistant steel plate owned the minimum yield strength at 295 Mpa and tensile strength within 430-560Mpa.
Q295NH is mainly used to producing trucks,shipping containers,buildings,towers and some structural parts for preventing atmospheric corrosion usage.
Q295NH weathering steel specification
Grade: Q295NH
Standard: GB/T 4171
Thickness: 4-150mm
Width: 1220-4200mm
Length: 5000-18000mm
Q295NH atmospheric corrosion resistant steel plate chemical composition
| Grade | C | Si | Mn | P | S | Cu | Cr | Ni |
| Q295NH | 0.15 | 0.10-0.50 | 0.30-1.0 | 0.03 | 0.03 | 0.25-0.55 | 0.40-0.80 | 0.65 |
Q295NH atmospheric corrosion resistant steel plate mechanical property
| Grade | Yield Strength(MPa) | Tensile Strength(MPa) | % Elongation min |
| GB/T 4171 Q295NH | 255-295 | 430-560 | 22 |
Q295NH weathering steel application
Q295NH Hot rolled weathering steel plate is a high strength low alloy structural steel. It is mainly used to produce trucks, shipping containers, buildings, towers and some structural parts.
Our Q295NH weathering steel advantage
1. Best Quality-Our steel from China First-Class mill with Die stamp include heat number and batch number,It can be tracked.
2. Fast Delivery-Good relationship with Mill and Forwarder Shipping Agent for producing and shipping.
3. Professional Team-Work steel business more than six years for export steel plate.
4. Reasonable Price-Cooperate with 15 mills, satisfy with different request for the price and quality.
5. Kinds of Payment-T/T, L/C at sight, Usance Letter of Credit.
If you want to know more information about Q295NH weathering steel plate, please contact us and let us know your required Q295NH weathering steel specification, the best Q295NH high strength weathering steel plate price will be quoted in shortest time.
Contact now to get Q295NH Quote
FAQ
Q: What is the difference between Q295NH and ordinary carbon steel?
A: Ordinary carbon steel is prone to rusting when exposed to the atmosphere and requires coating for protection. In contrast, Q295NH weathering steel forms its own protective rust layer, significantly enhancing corrosion resistance and reducing long-term maintenance costs.
Q: Does Q295NH weathering steel plate require painting?
A: Generally, painting is unnecessary, and it can be used exposed. However, in certain special environments (such as high humidity, acidic or alkaline conditions, or coastal areas with high salt content), applying an appropriate protective coating is still recommended.
Q: Can Q295NH be welded?
A: Yes. Q295NH weathering steel exhibits excellent weldability. However, it is recommended to use low-hydrogen electrodes or specialized weathering steel welding wire to ensure the welded joint maintains corrosion resistance equivalent to the base material. During welding, carefully control preheating and interpass temperatures to prevent cracking.
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