– Carbon: 0.20% max
– Silicon: 1.00% max
– Manganese: 1.00% max
– Phosphorus: 0.04% max
– Sulfur: 0.03% max
– Chromium: 15.00-17.00%
– Nickel: 1.25-2.50%
– Molybdenum: 0.20-0.60%
These elements contribute to the overall strength and corrosion resistance of the steel.
The mechanical properties of 431S29 stainless steel include:
– Tensile strength: 750-900 MPa
– Yield strength: 450-600 MPa
– Elongation at break: 20-30%
– Hardness: 262-352 HB
These properties make 431S29 stainless steel suitable for applications that require high tensile strength and good corrosion resistance, such as in the manufacturing of fasteners, shafts, and pump components. Understanding the composition and strength of 431S29 stainless steel is important for selecting the right material for specific engineering and industrial uses.
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