High-preformance Grade Facts

Grade	ISO Grade	Density g/cm3	Hardness HRA>	T.R.S>N/mm2	Performances or recommended applications
High-performance grade
YD40		13.10-13.55	82.5	2480	High impact resistance, for cold heading and punching dies and hot heading and punching dies
YD45		13.25-13.65	83.0	2480	High impact resistance, a special grade for hot heading dies
YG011	K10	14.55-14.75	92.5	1840	Ultra-fine grain size, for machining glass fiber reinforced plastics, titanium alloys, hardened steel with a high hardness
YG012	K20	14.25-14.55	91.0	2160	Ultra-fine grain, for milling cutters and the hole-machining tools
YG013	K10	14.35-14.60	91.5	2060	Ultra-fine grain with good wear resistance and toughness, for wood-working tools
YG014	K05	14.65-14.95	93.0	1760	Ultra-fine grain, for finishing machining of non-ferrous metals and for wood-working tools

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