| Recommend grade list of tungsten carbide buttons: |
| Grade |
Density |
T.R.S |
Hardness |
Application recommended |
| (g/cm3) |
( MPa) |
(HRA) |
| YG6 |
14.95 |
≥1900 |
≥90.5 |
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 |
14.8 |
≥2200 |
≥89.5 |
Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit. |
| YG8C |
14.8 |
≥2400 |
≥88.5 |
Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush. |
| YG11C |
14.4 |
≥2700 |
≥86.5 |
Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth. |
| YG13C |
14.2 |
≥2850 |
≥86.5 |
mainly used for rotary drill bit used for cutting high hardness materials in ball mill. |
| YG15C |
14 |
≥3000 |
≥85.5 |
Used in oil cone bit and soft in the hard rock digging cutting tools. |
| YK15 |
14.6 |
≥2450 |
≥87.6 |
Suitable to strips,conical buttons for rotary percussion-resistant geological prospecting buttons,cut soft and medium hard formations. |
| YK20 |
14.4 |
≥2500 |
≥86.8 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations, |
| YK25 |
14.4 |
≥2550 |
≥87.2 |
Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard,hard,and very hard formations. |
