Audited Supplier
1.A PDC consists of a polycrystalline diamond layer and a cemented carbide substrate. It is made by sintering fine diamond powder and cemented carbide substrate together at a high atmospheric pressure and temperature (about 60,000atms and 1,400-1,500ºC). It is suitable for drill bits (PDC drill bits) working on various strata. Due to the complete D-D bondings among the diamond grains at the polycrystalline diamond layer, the diamond layer has high strength, hardness, and wear resistance and also shows excellent self-sharpening performance. 2. In its operation, a PDC drill bit crushes rocks by cutting and is more effective than a roller cone bit crushing rocks or an impregnated diamond bit ploughing and grinding rocks. The polycrystalline diamond layer and the cemented carbide substrate are combined in a tooth structure, thus consolidating the two layers and ensuring better impact resistance of the drill bit.Grade | Density (g/cm3) | T.R.S ( MPa) | Hardness (HRA) | Application recommended |
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 | 14.80 | ≥2200 | ≥89.5 | Used as a core drill, electric coal drill, coal cutter tooth, oil roller bit and scraper button bit. |
YG8C | 14.80 | ≥2400 | ≥88.5 | Mainly used for small and medium-sized drill bit tooth, and as a rotating exploration drill bush. |
YG11C | 14.40 | ≥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 | 14.0 | ≥3000 | ≥85.5 | Used in oil cone bit and soft in the hard rock digging cutting tools. |
YK05 | 14.8 | ≥2500 | ≥90.5 | Mostly used as the buttons of small and mediumsized bits to cut soft and medium hard formations |
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. |
