– Tensile Strength: 500-700 MPa
– Yield Strength: 275-345 MPa
– Elongation: 20-30%
– Hardness: HRB 80-85
Technical Properties:
– Density: 7.7 g/cm3
– Melting Point: 1425-1510°C
– Thermal Conductivity: 24 W/m·K
– Electrical Resistivity: 600-700 nΩ·m
Chemical Composition:
– Carbon (C): 0.12% max
– Manganese (Mn): 1.00% max
– Silicon (Si): 1.00% max
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.030% max
– Chromium (Cr): 16-18%
– Nickel (Ni): 0.75% max
The high corrosion resistance of 430S15 steel grade is attributed to its high chromium content, which forms a protective oxide layer on the surface of the steel, preventing corrosion. The low carbon content also helps to improve its resistance to intergranular corrosion. These properties make 430S15 steel grade suitable for applications in environments with high corrosion potential, such as marine and chemical processing industries.
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