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Grade | Density g/cm3 | TRS MPa | Hardeness HRA | Applications |
YG4C | 15.10 | 1800 | 90.0 | It is mainly used as an impact drill for cutting soft, medium and hard materials |
YG6 | 14.95 | 1900 | 90.5 | Used as electronic coal bit, coal pick, petroleum cone bit and scraper ball tooth bit. |
YG8 | 14.80 | 2200 | 89.5 | Used as core drill, electric coal bit, coal pick, petroleum cone bit and scraper ball tooth bit. |
YG8C | 14.80 | 2400 | 88.5 | It is mainly used as the ball tooth of small and medium-sized impact bit and as the bearing bush of rotary exploration drill. |
YG11C | 14.40 | 2700 | 86.5 | Most of them are used in impact bits and ball teeth used to cut high hardness materials in cone bits. |
YG13C | 14.2 | 2850 | 86.5 | It is mainly used for cutting ball teeth of medium and high hardness materials in rotary impact drill. |
YG15C | 14.0 | 3000 | 85.5 | It is a cutting tool for oil cone drill and medium soft and medium hard rock drilling. |