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Q235NH weathering steel plate

Q235NH weathering steel plate is a low alloy steel that improves its atmospheric corrosion resistance by adding a small amount of corrosion-resistant elements such as copper and nickel to ordinary carbon steel. The grade of this steel consists of "yield strength", the first letters of the Chinese pinyin of "weathering resistance" "Q" and "NH" and the lower limit of yield strength. "235" means that its yield strength is 235 MPa. The weather resistance of Q235NH weathering steel plate is 2 to 8 times that of ordinary carbon steel, and the paintability is 1.5 to 10 times that of ordinary carbon steel. It can be used in a thinner, exposed or simplified painting manner.

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Weathering steel plate

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Product Details

Mechanical properties: Yield strength: ≥235MPa, tensile strength: 360 - 510MPa, elongation: ≥26%
Performance characteristics: Excellent atmospheric corrosion resistance: In the atmospheric environment, a stable and dense rust layer can be gradually formed on the surface, effectively blocking the erosion of oxygen, moisture and other factors in the atmosphere, greatly extending the service life.
Good comprehensive mechanical properties: It has certain strength, toughness and machinability, meeting the use requirements of most structural parts.
Application areas: Widely used in steel structures such as railway vehicles, bridges, towers, etc. that are exposed to the outdoor atmospheric environment for a long time.
Applicable to facilities such as containers, oil derricks, and seaport buildings.

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Weathering steel plate