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Heading die blanks

Properties and applications of carbide for dies

Grade				Performance & application recommended						Approx Grades in China
	Density	T.R.S	Hardness
	g/cm3	MPα	HRA
MK11	14.4	2420	88.5	Forming or stamping dies for metal powders and nonmetal powders.						YG11
MK15	14	2500	87.5	For fabricating drawing dies of stain tubes and rods under High compressibility ratio;punchingstamping froging tools under large stress.						YG15
MG20	13.5	2800	85.5	For fabricating of stamping dies for watch parts, spring plates of musical instruments, batters jars, small sized steel balls, screws, screw caps.						YG20
YM32	13.9	2750	85.5	Impact resistance forging dies						YG16C
YM36	13.7	2800	84.5	Impact resistance forging dies, hot-press forging dies and rollers.						YG18C
YM40	13.5	2850	83.5	Dies for resistant or impact resistant application.						YG20C                                                                                                     ZL40.2
YM45	13.3	2900	83	Nut forming dies and high impact resistance forging dies.						YG22C                                                                                                              ZL40.5
YM50	13.1	2950	82.5	Stainless bolt header dies and rollers.						YG25C                                                                                                          ZL40B
MA90	13.3	3200	82.0	Screw cap forming dies with high impact resistance ( Highest impact resistance forging dies).						-

heading die blanks for making standard bolts