Cutting Steel Class Grade Facts

Grade	ISO Grade	Density g/cm3	Hardness HRA>	T.R.S>N/mm2		Performances or recommended applications
Cutting steel class grade
YT03	P10	14.75-14.95	91.5		1860	Suitable for the semi-finishing and finishing machining of non-ferrous metals, stainless steel
YT5	P30	11.50-13.20	90.0		1750	Suitable for heavy duty cutting of steel and cast steel and for a low-speed and medium-speed and a big feed-rate roughing operation under unfavorable machining conditions
YT14	P20	11.20-11.80	91.0		1550	Suitable for semi-finishing and finishing machining of steel and cast steel, using a medium feed-rate
YT15	P10	11.10-11.60	91.5		1500	Suitable for semi-finishing and finishing machining of steel and cast steel and a medium feed-rate and a rather high cutting speed is to be recommended
YS25	P25	12.80-13.20	91.0		1860	A special grade for mining steel and cast steel
SC30	P30	12.70-13.20	90.0		1600	Suitable for heavy duty cutting of steel and cast steel with a possible big feed-rate
YC40	P40	13.00-13.40	89.5		1860	Suitable for heavy duty cutting of steel and cast steel with a possible big feed-rate and for face milling as well
YW1	M10	12.85-13.40	92.0		1380	Suitable for semi-finishing and finishing of stainless and ordinary alloyed steel
YW2	M20	12.65-13.35	91.0		1680	Suitable for semi-finishing and finishing of stainless and low alloyed steel, mainly used for machining of trains' wheel hubs
YW3	M10	12.85-13.10	92.0		1420	It is suitable for semi-finishing and finishing of stainless and ordinary alloyed steel

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