Zhuzhou Mingri Cemented Carbide Co., Ltd.
Zhuzhou Mingri Cemented Carbide Co., Ltd. PRIVATE PROFESSIONAL TAILOR AT YOUR DISPOSAL,SEE THE SUBTLE ESSENCE IN DETAILS
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Durable Tungsten Carbide Buttons For Rock Drill Bits , YG4C / YG8 / WC / Cobalt
Description:
Mainly used in underground mining,rock drill buttons,oil cone drill bits etc.
1. Made of special and excellent raw material,have more stable properties
2. Extra grain size is available,with higher impact resistance and lower hot crack and breakage.
3. Ground and tumbled,ensure uniformity of dimension and surface smoothness,easy to mount.
4. HIP sintering,increase the strength substantially,therefore extend service time.
5. Full range of grades and specifications are available.
Grades and Applications:
| Grade | Density | T.R.S | Hardness | Performance & application recommended |
| g/cm3 | MPα | HRA | ||
| YG4C | 15.1 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. |
| YK05 | 14.9 | 2000 | 90.5 | Used for coring crowns, electric coal drill bits, coal cutting picks, oil cone bits and scraping knife bits, usd in geological prospecting, coal mining and oil well boring. |
| YG8 | 14.7 | 2400 | 89.7 | Used for coring crowns, electric coal drill bits, coal cutting picks, cone drill bits and scraping knife bits, used in geological prospecting, coal mining and oil well boring. |
| YG8C | 14.7 | 2450 | 88.5 | Mostly used as the buttons of small and mediumized percussion bits and as the inserts of rotary prospecting bits to cut soft and medium hard formations. |
| YG9C | 14.6 | 2450 | 87.8 | Suitable for strips, conical buttons for rotary percussion resistant,geological prospecting buttons, cut soft and medium hard formations. |
| YG10C | 14.4 | 2550 | 87.0 | Primarily for the buttons and inserts of rotary ercussion bits to cut medium-hard and hard formations. |
| YG11C | 14.4 | 2600 | 87.0 | Largely for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard, and very hard formations. |
| YG13C | 14.2 | 2650 | 86.5 | Predominately for the buttons of tricone bits and inserts of rotary percussion bits to cut hard and vey hard formations. |
| YG15C | 14.0 | 2700 | 86.0 | For oil cone drill bits, for medium soft and medium -hard rocks. |
| YG15 | 14.0 | 2500 | 87.0 | Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks. |
Other grades may be offered as per customers' requirements
Our advantages:
1.Strong R&D team. Professional engineers serve for clients, recommend products and grades as per your application. We also offer after-sale service.
2. Strong Mould R&D team. We support products customization as per requirements, ensure high working efficiency and product quality.
3. Successful cooperation case: We cooperate with clients in domestic and abroad, and get good feedback from them.