Tungsten Carbide Grade

K.S(I.S.O)		ROYAL GRADE	Hardness(HRA)	T.R.S(kg/mm²)	Work Materials	Applications
P	10	P10	<92.5	<150	Steel Cast steel Malleable cast iron	Medium to high speed cutting in turning and milling
	20	P20	92.0	180
	30	P25	91.0	200		Low speed Roughing in turning in and milling
	40	P40	89.0	230		Low speed Roughing or interrupted cutting
M	10	M10	92.5	180	Steel, Cast steel Cast iron Stainless steel	Medium to high speed cutting in turning
	20	M20	92.0	190		Medium speed cutting inturning milling
	40	M30	89.0	250		Low speed heavy cutting
K	10	K10	92.5	180	Cast iron Graphite, Copper, Aluminum Glass, Wood	High speed cutting inturning, milling and boring
	20	K20	91.5	200		Semi roughing, Frinish turning and milling
	30	K30	90.0	220		Roughing and heavy cutting
Micro- Alloy		UF1	93.0	200	Steel, Cast steel Cast iron Copper Aluminum	Low speed cutting of hardened materials.
		R100	91.5	250		Drilling, Reaming and Endmilling.
		R150	90.5	280
		R200	90.0	300		Semi-conductor parts
		UF2	90.0	300		High speed cutting in turning and milling
		R70	93.5	230		Semi Roughing, Finish turning milling.
		R30	94	180	Glass	Glass cutter, etc
V1		D10	91.5	200		Drawing dies, Plug, Nozzle, Mechanical seal, Lathe center
V2		DX2	89.5	240		Drawing dies, Tube, Drawing dies, Roller, Nipple, Guide punch, Knife, etc.
V3
V4		DX5	87.0	270		Dies, Punches, Tube drawing plug, Shaving dies.
V5
V6		D60	83.0	250		Swaging dies, Impact dies, Trimmer.
		D70	82.0	250		Impact dies, Heading dies, Nut former dies.

Royal Grade

ROYAL GRADE	HRA	T.R.S	Application
UFI	<93	200	Drill, Endmill etc
R100	<91.5	250	Drill, Endmill etc Semi-Conductor parts. Nozzle
R150	<91	280
R200	<90	300
UF2	<90	300
R70	<93.5	230
R30	<94	180	Glass Cutter etc