Grade | Density | T.R.S MPa | Hardness HRA | Performance & application recommended |
YM11 | 14.4 | 2600 | 88.5 | Forming or stamping dies for metal powders and nonmetal powders. |
YM15 | 14.0 | 2800 | 87.5 | For fabricating drawing dies of steel tubes and rods under High compressibility ratio; punching、stamping、forging tools under large stress. |
YM20 | 13.5 | 3200 | 85.5 | For fabricating of stamping dies for watch parts, spring plates of musical instruments, battery jars, small sized steel balls, screws, screw caps. |
ML32 | 13.9 | 2900 | 85.5 | Impact resistance forging dies. |
ML35 | 13.7 | 3100 | 84.5 | Impact resistance forging dies, hot-press forging dies and rollers. |
ML40 | 13.5 | 3300 | 83.5 | Dies for wear resistant or impact resistant application. |
ML50 | 13.3 | 3500 | 83.0 | Nut forming dies and high impact resistance forging dies. |
ML60 | 13.1 | 3600 | 82.5 | Stainless bolt header dies and rollers. |