| Name | Steel Grit | |
|---|---|---|
| Chemical Composition | C | 0.70~1.20% |
| Mn | 0.35~1.20% | |
| Si | 0.40~1.20% | |
| S | ≤0.05% | |
| P | ≤0.05% | |
| Hardness |
GP Steel Grit:42~50HRC(399~509HV) GL Steel Grit:56~60HRC(620~713HV) GH Steel Grit:63~66HRC(795~889HV) |
|
| Hardness Deviation | Max Deviation ±3.0HRC or ±40HV | |
| Mettallographical Stucture | tempered martensite or tempered troostite | |
| Min Density (Can be determined by alcoholic displacement) | 7.4g/cm3 | |