Grade | Density (g/cm3) | Hardness (HRA) |
TRS (MPa) |
Applications recommended |
YN6 | 14.6 | 89 | 1800 | Non-magnetic material,high corrosion resistance. Containing nickel 6%-10%, WC 94%-90%. |
YG8 | 14.80 | 89.5 | 2200 | 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. |
YG8C | 14.80 | 88.5 | 2400 | Mostly used as the buttons of small and medium sized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
YG11C | 14.40 | 87.00 | 2850 | Suitable for embedding rotary percussive drill bits of heavy rock drilling machines for drilling hard formations of class f=18 or above |