ASTM A240 410 stainless steel plate (UNS S41000) belongs to martensitic stainless steel, designed specifically for corrosion-resistant plate products, with a thickness range covering thin to medium thick plates. Its composition is centered around 11.5% -13.5% chromium and low carbon (≤0.15%), with both oxidation resistance and heat treatment strengthening ability, suitable for manufacturing structural components in wear-resistant and mildly corrosive environments.
The annealed hardness of the 410 stainless steel sheet is ≤ HB 201, the tensile strength after quenching and tempering is ≥ 515 MPa, the elongation rate is ≥ 20%, and the cold and hot processing performance is good. The specification requires annealing treatment after cutting or welding to eliminate residual stress, and suggests using low hydrogen welding technology to avoid embrittlement in the heat affected zone.
410 stainless steel plates are widely used in petrochemical, energy equipment, and food processing machinery, with typical applications including reactor lining, conveying components, etc. ASTM A240 emphasizes its suitability for working conditions below 650℃, but requires coating or cathodic protection in high chloride ion environments to extend its service life.
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