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?????????????????	??????? ISO	??????????? (g/cm2)	?????????????? (N/mm2)	???? (HRA)	USE
YG8A	K20	14.7	1900	89.5	High strength,impact and shock resistancehigher than MK6A,but wearresistance and cutting speed comparatively lower,Roughing of cast irons,non-ferrors metals and their alloys as well as non metallic materials at low cutting speed.
YG10X	K40	14.5	2000	91	Fine grain alloy,good wear resistance.uesd for processing hard wood,veneer board,PCB,PVC and metals.
YG15	K40	14.0	2300	86.5	Conventional wear resistance,high bending strength,used for steel alloy etc.

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