The chemical composition of 431S29 steel includes a high concentration of chromium (16-18%), which provides its excellent corrosion resistance, as well as a moderate amount of nickel (1.25-2.50%), which contributes to its toughness and ductility. Additionally, it contains a small amount of manganese, silicon, sulfur, and phosphorus.
The mechanical properties of 431S29 steel include a high tensile strength of 850-1000 MPa, and a yield strength of 620-680 MPa. It also has a good impact resistance and hardness of 230-270 HB, which makes it suitable for applications in the automotive, aerospace, and medical industries.
Overall, the 431S29 steel grade is known for its high strength, corrosion resistance, and toughness, making it a versatile material for a wide range of applications.
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