Spec | Surface Hardness | Internal Hardness | Property |
---|---|---|---|
Spec A | HV800~900 | Below HV500 | Excellent Abrasion Resistance |
Spec B | HV680~780 | Below HV350 | Excellent Abrasion and Corrosion Resistance |
Spec C | HV650~750 | Below HV350 | Excellent Shock Resistance |