410 stainless steel under ASTM A240 standard is martensitic stainless steel, specifically designed for corrosion-resistant plates, sheets, and strips. Its chemical composition requires a chromium content of 11.5% -13.5%, a carbon content of ≤0.15%, and elements such as manganese and silicon to ensure basic corrosion resistance and heat treatment strengthening characteristics in an oxidizing environment.
The 410 stainless steel material must meet the requirements of annealed hardness ≤ HB 201, tensile strength ≥515 MPa after quenching and tempering, and elongation ≥20%. The standard emphasizes the need to eliminate stress after processing, and it is recommended to use preheating and post weld heat treatment for welding to avoid the risk of cracking.
410 stainless steel material is suitable for construction, petrochemical equipment, and wear-resistant components. ASTM A240 specifies that it is suitable for medium and low temperature environments, but protective measures need to be taken in high chloride ion or strongly acidic media to ensure long-term stability.
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