| 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. |