| 出生地 |
Shandong China (Mainland) |
| 牌子的名字 |
Yafeite |
| 材料 |
cast steel |
| 使用 |
shot peening |
Products Cast steel shot Chemical composition C 0.70-1.20% Mn 0.35-1.20% Si 0.40-1.20% P ≤0.05% S ≤0.05% Hardness Normal: 40 50HRC (377 509HV) Special: 52 56HRC (543 620HV) Special: 56 60HRC (620 713HV) Hardness Deviation Max deviation ±3.0 HRC or ±40HV Density ≥7.20g/cm3 Durability 2200 to 2500 times Microstructure Homogeneous tempered martensite or troostite