Grade Density
g/cm3 T. R. S
MPa Hardness
HRA Performance&applications recommended Approx Grades in China
A 13.5 3000 83.5 Good wear resitance and high bending strength. Primarily for nut forming dies and high impact resistance forging dies. -
YM11 14.4 2420 88.5 Forming or stamping dies for metal powders and nonmetal powders. YG11
YM15 14.0 2500 87.5 For fabricating drawing dies of stain tubes and rods under high compressibility ratio; Punching, stamping. Forging tools under large stress. YG15

YM20 13.5 2800 85.5 For fabricating of stamping dies for watch parts, spring plates of musical instruments, batters jars, small sized steel balls, screw caps. YG20
ML32 13.9 2750 85.5 Impact resistance forging dies, YG16C
ML35 13.7 2800 84.5 Impact resistance forging dies, hot-press forging dies and rollers. YG18C
ML40 13.5 2850 83.5 Dies for resistant or impact resistant applications YG20C
ZL40.2

ML50 13.3 2900 83.0 Nut forming dies and high impact resistance forging dies. YG22C
ZL40.2
ML60 13.1 2950 82.5 Stainless bolt header dies and rollers. YG22C
ZL40B
ML90 13.3 3200 82.0 Screw cap forming dies with high impact resistance(highest impact resistance forging dies). -