Certified GB/T Q235NH Weathering Steel
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Gnee Steel (Tianjin) Co., Ltd. is one of the most professional certified gb/t q235nh weathering steel manufacturers and suppliers in China. Welcome to wholesale customized certified gb/t q235nh weathering steel at competitive price from our factory. Good service and quality products are available.
GB/T Q235NH Weathering Steel
GB/T Q235NH Weathering Steel is made by adding a small amount of corrosion - resistant elements such as copper and nickel to plain carbon steel. The name "Q235NH" has its specific meaning: "Q" represents the Chinese pinyin initial of yield strength, "235" indicates that the yield strength of this steel is 235MPa, and "NH" stands for the pinyin initials of "耐候" (weather - resistant in Chinese).
This steel has excellent corrosion resistance to the atmosphere. Its corrosion - resistant ability is 2 to 8 times that of plain carbon steel, which means it can effectively resist the erosion of rain, sunlight, humidity, and other natural environmental factors, and the formed rust layer can also play a certain protective role. In addition, it has good paintability, which is 1.5 to 10 times that of plain carbon steel, making it easier to coat and further enhance its anti - corrosion performance and appearance. It also possesses the toughness, plasticity, formability, weldability, abrasion resistance, high - temperature resistance, and fatigue resistance characteristics of high - quality steel.
2. Product Information Table
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Property |
Details |
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Standard |
GB/T 4171 - 2008 |
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Yield Strength |
Usually above 235MPa |
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Tensile Strength |
Higher than the yield strength, with good overall mechanical properties |
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Elongation |
Good, capable of plastic deformation under stress without breaking easily |
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Cold Bend Performance |
Satisfactory, suitable for cold - bending processing in manufacturing |
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Delivery State |
Can be delivered in hot - rolled, controlled - rolled, or normalized states |
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Chemical Composition |
Based on plain carbon steel, added with a small amount of copper, nickel and other corrosion - resistant elements |
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