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Grade | WC(um) | Co(%) | Density(g/cm³) | Hardness(HRa) | TRS(MPa) | Recommend
Application |
CH06 | 2.0 | 6 | 14.94 | 90.4 | 2800 | Universal grade
for High-pressure DTH (Down-The-Hole) drill bits, suitable for various alloy
button teeth, featuring excellent impact resistance and wear resistance. With
broad applicability across diverse rock formations |
CH07C | 2.0 | 7 | 14.85 | 89.8 | 2850 | Supplementary
grade for High-pressure DTH drill bits, with better impact resistance than
that of CH06, suitable for drilling hard rocks |
CH08C | 2.4 | 8 | 14.75 | 88.5 | 2900 | Supplementary
grade for High-pressure DTH drill bits, with better impact resistance than
that of CH07C, suitable for drilling extremely hard rocks |
CH06D | 2.0 | 6 | 14.93 | 90.0 | 2700 | Grade for
medium and low pressure DTH drill bits, suitable for drilling medium hard and
hard rocks |
CH08D | 2.0 | 8 | 14.74 | 89.2 | 2900 | Grade
for medium and low pressure DTH drill bits, suitable for drilling hard and
extremely hard rocks |
CH10C | 2.4 | 10 | 14.52 | 88.0 | 2900 | Suitable for
cone bits in mining and oilfield applications, drilling in soft to hard rock
formations. |
CH13C | 2.4 | 13 | 14.4 | 87.5 | 2900 | Suitable
for cone bits in mining and oilfield applications, drilling in medium hard to
hard rock formations. |
CH15C | 2.4 | 15 | 14.25 | 86.2 | 2800 | Suitable for
cone bits in mining and oilfield applications, designed for drilling hard to
extremely hard rock formations |







