GB/T4171 Q355NH Weathering Low Alloy Steel

GB/T4171 Q355NH Weathering steel is characterized by a protective rust layer resistant to atmospheric corrosion. Compared with carbon steel, weathering steel in the atmosphere has a more excellent corrosion resistance.

Our company, Shanghai Katalor Enterprises Co., Ltd, is one of the biggest professional manufacturer of steel products in China. We will offer you the best products, competitive price with best service.

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