1. Tensile Strength: 800-1000 MPa
2. Yield Strength: 600-800 MPa
3. Elongation: 15-20%
4. Hardness: 280-350 HB
Technical Properties of 431S29 Steel Grade:
1. Density: 7.8 g/cm3
2. Modulus of Elasticity: 200 GPa
3. Poisson’s Ratio: 0.27-0.30
4. Thermal Conductivity: 24 W/(m·K)
5. Specific Heat Capacity: 460 J/(kg·K)
Chemical Composition of 431S29 Steel Grade:
1. Carbon (C): 0.20-0.25%
2. Silicon (Si): 1.00% max
3. Manganese (Mn): 1.00% max
4. Phosphorus (P): 0.040% max
5. Sulfur (S): 0.15-0.35%
6. Chromium (Cr): 15.0-17.0%
7. Nickel (Ni): 1.25-2.50%
8. Molybdenum (Mo): 0.20-0.55%
These mechanical, technical, and chemical properties make 431S29 steel grade suitable for applications requiring high strength, good corrosion resistance, and the ability to withstand elevated temperatures. It is commonly used in the production of shafts, bolts, and fasteners in the automotive and aerospace industries.
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