Q265GNH is a cost-effective weathering steel plate complying with China's GB/T 4171 standard.
Featuring a minimum yield strength of 265MPa, it provides reliable atmospheric corrosion resistance through its optimized copper-phosphorus alloy composition. The steel naturally forms a dense protective oxide layer when exposed to weather, reducing maintenance needs while maintaining structural integrity.
It offers good weldability and formability characteristics, making it suitable for various fabrication processes. Typical applications include railway freight cars, agricultural equipment, storage containers, and light structural components.
While offering slightly lower strength than higher-grade weathering steels, Q265GNH provides an economical solution for applications where extreme mechanical properties are not required but weather resistance is essential. Its balanced performance makes it particularly suitable for inland environments with moderate atmospheric corrosion conditions.
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