| item | national standard steel shot | high quality steel shot | |
| Chemical composition% | C | 0.85-1.20 | 0.10-0.20 |
| Si | 0.40-1.20 | 0.10-0.35 | |
| Mn | 0.60-1.20 | 0.35-1.50 | |
| S | <0.05 | <0.05 | |
| P | <0.05 | <0.05 | |
| hardness | steel shot | HRC40-50 HRC55-62 | HRC42-48 HRC48-54 |
| density | steel shot | ≥7.20 g/cm3 | 7.4g/cm3 |
| metallographic structure | Tempered martensite or troostite | tempered martensite + bainite | |
| appearance | round hollow grain﹤10% crack<15% | round hollow grain﹤5％ crack <10% | |
