Carbide Insert Grade Range Chart - provides ISO and ANSI code definitions for grade application ranges of carbide inserts for P steel applications, M stainless steel applications, K cast iron applications, and C scale values

Grade Range Chart

P Steel	01	C8	Precision finishing	increasing wear resistance increasing shock resistance
	10	C7	Light finishing
	20	C6	Semi-finishing
	30	C6	Semi-finishing
	40	C5	Roughing & general purpose
	50	C5	Roughing & general purpose
M Stainless Steel	10	-	Precision finishing	increasing wear resistance increasing shock resistance
	20	-	Semi-finishing
	30	-	General purpose
	40	-	Roughing
K Cast Iron	01	C4	Precision finishing	increasing wear resistance increasing shock resistance
	10	C3	Semi-finishing
	20	C2	General purpose
	30	C1	Roughing
N Non- ferrous	01	-	Precision finishing	increasing wear resistance increasing shock resistance
	10	-	Semi-finishing
	20	-	General purpose
	30	-	Roughing
S Hi-temp Alloys	10	-	Precision finishing	increasing wear resistance increasing shock resistance
	20	-	Semi-finishing
	30	-	General purpose
	40	-	Roughing
H Hardened Materials	01	-	Precision finishing	increasing wear resistance increasing shock resistance
	10	-	Semi-finishing
	20	-	General purpose
	30	-	Roughing

C8