Executive standard: ASTM A534-04
Features and application: It is a commonly used alloy carburizing steel, carburizing treatment have a very high surface hardness, wear resistance and contact fatigue strength, and heart Ministry also retain good toughness, can withstand high impact loads . Mainly for automotive bearings, impact resistance, wear parts of the material.
Chemical Composition:
C: 0.17 ~ 0.23 (tolerance: ± 0.02)
Si: 0.15 ~ 0.35 (tolerance: ± 0.03)
Mn: 0.60 ~ 0.95 (tolerance: ± 0.04)
S: ≤ 0.015 (tolerance: 0.005)
P: ≤ 0.025 (tolerance: 0.005)
Cr: 0.35 ~ 0.65 (tolerance: ± 0.15)
Ni: 0.35 ~ 0.75 (tolerance: ± 0.05)
Cu: ≤ 0.30 (Tolerance: +0.05)
Mo: 0.15 ~ 0.25 (tolerance: ± 0.02)
Mechanical Properties:
Tensile strength σb (MPa): ≥ 1176 (120)
Elongation δ5 (%): ≥ 9
Reduction of area ψ (%): ≥ 45
Impact toughness αkv (J/cm2): ≥ 78 (8)
Features and application: It is a commonly used alloy carburizing steel, carburizing treatment have a very high surface hardness, wear resistance and contact fatigue strength, and heart Ministry also retain good toughness, can withstand high impact loads . Mainly for automotive bearings, impact resistance, wear parts of the material.
Chemical Composition:
C: 0.17 ~ 0.23 (tolerance: ± 0.02)
Si: 0.15 ~ 0.35 (tolerance: ± 0.03)
Mn: 0.60 ~ 0.95 (tolerance: ± 0.04)
S: ≤ 0.015 (tolerance: 0.005)
P: ≤ 0.025 (tolerance: 0.005)
Cr: 0.35 ~ 0.65 (tolerance: ± 0.15)
Ni: 0.35 ~ 0.75 (tolerance: ± 0.05)
Cu: ≤ 0.30 (Tolerance: +0.05)
Mo: 0.15 ~ 0.25 (tolerance: ± 0.02)
Mechanical Properties:
Tensile strength σb (MPa): ≥ 1176 (120)
Elongation δ5 (%): ≥ 9
Reduction of area ψ (%): ≥ 45
Impact toughness αkv (J/cm2): ≥ 78 (8)