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Tungsten Carbide Grade

Grade		ISO Grade		Density g/cm3		Hardness HRA>		T.R.S>N/mm²		Performances or recommended applications
Conventional grades
YG3		K05		15.20-15.40		91.5		1400		Medium grain, for finishing machining of cast iron and non-ferrous metals
YG3X		K05		15.20-15.40		92.0		1300		Fine grain, for finishing machining of cast iron and non-ferrous metals
YG4C				15.05-15.25		90		1620		Coarse grain, for percussion drill bits and mining inserts
YG6		K20		14.85-15.05		90.5		1860		Medium grain, for rough machining of non-ferrous metals
YG6A		K10		14.85-15.05		92.0		1600		Fine grain, for drawing dies and woodworking tools
YG6X		K10		14.85-15.05		91.7		1800		Fine grain, for cutting of non-ferrous metals
YG7		K20		14.65-14.85		90.0		1900		Medium grain with good wear-resistance and good impact- resistance
YG8		K30		14.60-14.85		89.7		2060		Medium grain, for drawing dies
YG8A		K30		14.6-14.85		90.0		2000		Medium grain, for the drawing dies and wood-working
YG8X		K30		14.60-14.85		90.5		2000		Fine grain, high hardness and oxidation resistance at high temperatures and good impact toughness
YG8C				14.55-14.75		88.0		2160		Coarse grain, for button drill bits and the mining inserts
YG10		K40		14.25-14.55		88.0		2160		Medium grain, for machining gray cast iron with a low hardness
YG11		K40		14.30-14.50		87.5		2260		Medium grain, for wear parts and mining tools
YG11C				14.20-14.40		87		2260		Coarse grain, for mining inserts
YG12		K40		14.10-14.40		87		2260		Medium grain, for rough machining of non-ferrous metals
YG15				13.95-14.15		86.5		2400		Medium grain, for mining tools, cold heading and punching dies
YG20				13.45-13.65		84.0		2480		Medium grain, for non-standard dies and moulds, cold heading and punching dies
YG20C				13.40-13.60		82.5		2480		Coarse grain, for die and moulds making screws of a diameter of ∮20-∮50mm
YG22				13.15-13.55		83.0		2480		Medium grain, for non-standard dies and moulds, cold heading and punching dies
High-performance grade
YD40				13.10-13.55		82.5		2480		High impact resistance, for cold heading and punching dies and hot heading and punching dies
YD45				13.25-13.65		83.0		2480		High impact resistance, a special grade for hot heading dies
YG011		K10		14.55-14.75		92.5		1840		Ultra-fine grain size, for machining glass fiber reinforced plastics, titanium alloys, hardened steel with a high hardness
YG012		K20		14.25-14.55		91.0		2160		Ultra-fine grain, for milling cutters and the hole-machining tools
YG013		K10		14.35-14.60		91.5		2060		Ultra-fine grain with good wear resistance and toughness, for wood-working tools
YG014		K05		14.65-14.95		93.0		1760		Ultra-fine grain, for finishing machining of non-ferrous metals and for wood-working tools
Special mining grade
YK5				14.80-15.10		89.0		2060		With high toughness and good wear resistance, it is suitable mainly for buttons and inserts used in small and medium size percussion drill bits for drilling medium hard rock formations
YK10				14.60-14.85		89.5		2260		With high toughness and good wear resistance, it is suitable mainly for buttons and inserts used in small and medium size percussion drill bits
YK20				14.30-14.60		86.5		2350		With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations
YK25				14.35-14.70		87.0		2450		With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations
YK40				13.90-14.20		86.5		2450		With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussive drill bits for drilling medium hard and rather hard rock formations
YK45				13.80-14.20		86.0		2450		With high toughness and good wear resistance, it is suitable mainly for embedding rotary percussion drill bits for drilling medium hard and rather hard rock formations
YK50				13.80-14.20		85.5		2450		With ultra high toughness and good wear resistance, it is suitable mainly for embedding button drill bits, tri-cone drill bits for drilling medium-hard and rather hard rock formations
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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Tungsten Carbide Grade

Conventional grades

High-performance grade

Special mining grade

Cutting steel class grade