Product nature
Carbon (C) | ≤0.12% |
Manganese (Mn) | ≤2.00% |
Silicon (Si) | ≤1.00% |
Sulfur (S) | 17 ~ 19% |
Nickel (Ni) | 7 ~ 10% |
Sulfur (S) | ≤0.03% |
Phosphorus (P) | ≤0.035% |
Mean hardness | 41~59HRC(388~509HV) |
Hardness deviation | Maximum deviation range ±1.0HRC or 40HV) |
Metallographic structure | Longitudinal (uniformly deformed lens) transverse (uniformly deformed lens) |
Minimum density | 7.8 g/cm after |