Tungsten Carbide Grade

Properties & Applications of Cemented Carbides for Mining Purpose

Grade Typical property values Performance & Applications
Density
g/cm3
Bending
Strength
N/mm2
Hardness
HRA
YG4C 14.9~15.2 1420 89.5

     For geological prospecting, coal mining, tipping of electric and air drilk; for coal bed and other homogeneous rocks such as non-silicified shale, skyline and rock salt, etc.; and for medium hard sandstone limestone and interspersed soft and hard rocks.

YG6 14.6~15.0 1420 89.5

     For coring crowns, electric coal drill bits, coal cutting picks. oil cone bits and scraping knife bits used in geological prospecting, coal mining and oil well boring.

YG8 14.5~14.9 1470 89

     For coring crowns, electrical coal drill bits, coal cutting picks, cone drill bits and scraping knife bits, used in geological prospecting coal mining and oil well boring.

YG8C 14.5~14.9 1720 88

     For rotary rock drill bits for medium hard and hard rock; and for coal cutting picks and oil drill bits for cutting of honse-stone containing formations.

YG11C 14.0~14.5 2060 86.5

     For tipping of bits for heavy rock drills and rotary hammer rock drills cutting hard rock formations . e. g. , latent hole drills and deep-hole drills, rock drills, etc.

YG13C 14.0~14.3 2060 86.0

     For oil cone drills, for hard and medium hard rock and for tipping bit of rotary hammer rock drills and heavy rock drills.

YG15 13.9~14.2 2060 87.0

     Top strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills , for hard and very hard rocks .

YG16C 13.8~14.1 2250 84.0

     For oil cone drill bits for medium soft and medium hard rocks.

This type  is our standard products, if you are interested in it or you have any question, please let us know the details of your requirements and this type number. Or please fill in the form given in our Terms & Conditions.

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