Tungsten Carbide Grade

Grade	Typical property values			Performance & Applications	Equivalent to ISO
Grade	Density g/cm3	Bending Strength N/mm2	Hardness HRA	Performance & Applications	Equivalent to ISO
YT715	11.3	1760	92.0	High red hardness and wear resistance. Medium finishing to finishing of alloy steel with high strength.	P10~P20
YT712	11.8	1750	92.0	High wear resistance and excellent impact toughness. Machining of steel with high strength, manganese steel sheets and stainless steel,	P10~P20/M10
YT707	12.2	1650	92.0	High wear resistance with desirable comprehensive properties Machining of alloy steel with high strength, speed steel and steel,	P10/M10
YT758	13.2	1960	92.0	High hardness under high temperature and high wear resistance Continuous or intermittent cutting of steel with super strength.	P10~P20/M20
YT798	12.3	1910	91.5	High toughness and high resistance to thermal shock and plastic deformation. Milling of alloy steel, tool alloy steel, manganese steel and stainless steel.	P20~P25/M20
YT767	13.1	1800	92.0	High wear resistance and high resistance to plastic deformation Continuous or intermittent cutting of manganese steel and stainless steel.	M10~M20
YT726	14.2	1610	92.5	High red hardness and wear resistance. Turning and Milling of chilled cast irons, cast alloy irons and quenched steel.	K05~K10/M20
YT6S	13.5~14.7	1500	91	Having the same wear resistance as YG6X but higher toughness. for tobacco cutters and rough and finish milling of cast iron.	K10
ZC1	13.7~14.2	1600	91	Coated substrate of higher toughness and red hardness, for semi-finishing or finishing of carbon steel and alloy steel, generally for threading tools	P15~P25
ZC2	13.3~13.7	1800	90.5	Coated substrate with higher toughness and slightly less wear resistance than ZC1, for semi-finishing and roughing after coating.	P25~P35
YT730	13.0	1900	91	Having higher impact and heat shock resistance, for rough turning, milling and planning of carbon steel, alloy steel, hi-Mn steel, hi-strength steel and cast steel.	P20~P30 M20~M30
YT790	12.4	1800	91	Better, toughness, wear resistance high impact resistance thermal cracking resistance, and plastic deformation resistance for rough turning ,milling and planning of steel, esp. forgings and castings scales.	P25~P30
YT770	12.8~12.95	1900	91	High toughness. wear resistance and heat shock resistance. for milling and medium speed and full-feed turning of steel, cast steel, alloy steel, stainless steel and hi-Mn steel.	P30
YT769	12.4~13.4	1850	90	Of higher impact toughness than YT798, for vertical rough milling cutters, indexable shallow hole drills, saw web and cut off tools for machining of high strength steel and quality alloy steel.	P30~P35
YG600	14.9	1550	93.5	???? High red hardness, wear resistance and thermal strength under high temperature. Machining of cast irons. quenched steel. non-ferrous metals and non-metallic materials	K01~K05
YG610	14.6	1720	93.0	???? Good thermal strength and high wear resistance .Continuous or intermittent? cutting of cast irons, refractory alloys and quenched steel?	K01~K10
YG643	13.7	1800	92.5	???? High wear resistance, high resistance to oxidation and to bonding Machining of cast irons, refectory alloys, stainless steel, quenched steel and non-ferrous materials	K05~K10/M10
YG813	14.4	2100	91.5	???? Optimum wear resistance, high bending strength and high resistance to bonding . Machining of refractory alloys, stainless steel and high manganese steel, etc.	K10~K20/M20
YG640	13.2	2410	91.0	???? Good thermal strength, high resistance to wear, impact and oxidation. Continuous or intermittent cutting of heavy work pieces of cast irons, milling and planning of refractory steel with high strength.	K30~K40/M40
YG522	14.3	1850	92.5	???? High wear resistance, high strength and higher service endurance than the same tool fabricated by Taiwan, esp. for bamboo and wood processing, and for cutting of non-ferrous metals and non-metallic materials.	K05~K20
YG524	14.6	2400	91.0	???? High strength alloy with high toughness and impact resistance ,for milling and planning of large bamboo and wood surfaces.	K20~K30
YG532	14.1	1960	92.0	???? High hardness and toughness. Machining of cast irons. stainless steel, and refractory alloys. etc.	K10~K20/M20
YG546	14.6	2150	90.0	???? Good toughness, high strength, capable of resisting high impact load, Roughing of stainless steel and cast irons.	K30~K40
YT535	12.7	1980	90.5	Wear resistance red hardness better than YT540 and high strength in use.? Continuous rough turning and milling of cast or forged steel.	P25~P35
YT540	12.6	2300	90.0	Good' toughness and good shock resistance. Suitable for low to medium speed cutting.	P40

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