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CHEMICAL COMPOSITION
C: 0.17 - 0.22
Si: ≤0.4
Mn: 1.1 - 1.4
P: ≤0.025
S: 0.02 - 0.04
Cr: 1 - 1.3
MECHANICAL PROPERTIES
Tensile strength: 1482 MPa
Conditional yield strength: 1232 MPa
Elongation: 13%
Sectional reduction: 57%
Impact toughness: 73 J/cm²
Hardness: 357HB
PHYSICAL PROPERTIES
Density: 7.80 g/cc; 0.282 lb/in³
HEAT TREATMENT
The heat treatment specification of 20MnCrS5 is oil quenching at 900℃, oil quenching at 870℃, and then tempering at 200℃. This heat treatment method can obtain good mechanical properties.
CHEMICAL COMPOSITION
C: 0.17 - 0.22
Si: ≤0.4
Mn: 1.1 - 1.4
P: ≤0.025
S: 0.02 - 0.04
Cr: 1 - 1.3
MECHANICAL PROPERTIES
Tensile strength: 1482 MPa
Conditional yield strength: 1232 MPa
Elongation: 13%
Sectional reduction: 57%
Impact toughness: 73 J/cm²
Hardness: 357HB
PHYSICAL PROPERTIES
Density: 7.80 g/cc; 0.282 lb/in³
HEAT TREATMENT
The heat treatment specification of 20MnCrS5 is oil quenching at 900℃, oil quenching at 870℃, and then tempering at 200℃. This heat treatment method can obtain good mechanical properties.