– Tensile Strength: 800-1000 MPa
– Yield Strength: 550-850 MPa
– Elongation: 12-15%
– Hardness: 217-211 HB
Technical Properties:
– Density: 7.85 g/cm3
– Melting Point: 1420-1460°C
– Thermal Conductivity: 46.6 W/m°C
– Coefficient of Thermal Expansion: 11.7 x 10-6/ °C
Chemical Composition:
– Carbon (C): 0.17-0.23%
– Silicon (Si): 0.40% max
– Manganese (Mn): 0.50-0.80%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.035% max
– Nickel (Ni): 1.50-1.80%
– Chromium (Cr): 0.40-0.70%
– Molybdenum (Mo): 0.25-0.35%
The 20NiCrMo2 steel grade is known for its high tensile strength, good toughness, and excellent fatigue resistance. It is often used in the manufacturing of gears, shafts, and other components in the automotive and machinery industry. The chemical composition of this steel grade contributes to its exceptional mechanical properties, making it a reliable choice for demanding applications.
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