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Grade | Density (g/cm3) | Hardness (HRA) | T.R.S (MPa) | Application recommended |
YG6 | 14.95 | 90.5 | 1900 | 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 | 89.8 | 2800 | Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit. |
YG8C | 14.8 | 89.8 | 2800 | Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush. |
YG11C | 14.4 | 86.5 | 2700 | Most used in the drill bit and rock bit used for cutting high hardness materials ball tooth. |
YG13C | 14.2 | 86 | 2900 | mainly used for rotary drill bit used for cutting high hardness materials in ball mill. |
YG15C | 14 | 85 | 3000 | Used in oil cone bit and soft in the hard rock digging cutting tools. |
YK05 | 14.9 | 90.5 | 2600 | Mostly used as the buttons of small and mediumsized bits to cut soft and medium hard formations |
YK15 | 14.6 | 88 | 2750 | Suitable to strips,conical buttons for rotary percussion-resistant geological prospecting buttons,cut soft and medium hard formations. |
YK20 | 14.5 | 87.5 | 2800 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and very hard formations, |
YK25 | 14.4 | 87.2 | 2550 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard,hard,and very hard formations |
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