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Description:
1.Tungsten carbide tips2.100% raw material
3. Excellent working performance.
Properties andapplications of cemented carbide grades rock drilling tools,geological prospecting drilling tools and coal-miningtools.
| Grade | Physical & mechanicalproperties | Applicationsrecommended | |||||
| Premium Grade | Supplemental Grade | Densityg/cm3 | Hardness HRA | TRS N/mm2 | |||
| YG8C YG9C | YG6 YG8 | 14.85-15.05 14.65-14.85 14.55-14.75 14.30-14.70 | ≥89.5 ≥89.0 ≥87.5 ≥87.5 | ≥1670 ≥1840 ≥2000 ≥2200 | It''s suitable formaking geological prospecting drill bits and mining inserts forlight electrical drills for drilling soft rock and coal formations and drill bits fordrilling un-silicated rock formations | ||
| YK15.6 YK20 YK25 | 14.50-14.70 14.40-14.60 14.40-14.60 | ≥16.5 ≥86.0 ≥86.5 | ≥2300 ≥2460 ≥2550 | It''s suitable forheavy duty rock excavating machines for drilling hard and superhard rock formations and it can also be sued for making tri-conebuttons bits . | |||
| YG11C | JT20H | 14.45-14.55 14.20-14.40 | ≥86.5 ≥86.5 | ≥2800 ≥2260 | It''s mainly usedfor making andbuttons tri-cone and percussive drill bits fordrilling har and super hard rock formations and it can also be usedfor making insertsin other drill bits. | ||
| YK40 | 14.10-14.3 | ≥85.5 | ≥2400 | With supertoughness and corresponding wear resistance, it is suitable formining inserts in mine prospecting, in heavy duty rock drillingmachines and depth drilling bits for drilling hard be used forother button tits | |||
