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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YG6 YK05 YG8 YG8C YG11C Tungsten Carbide Button Insert for oil-field drill bits
1. Description:
YG15C For oil cone drill bits, for medium soft and medium-hard rocks.
Our advantage of making tungsten carbide button bits is that we are using HIP sintering for minimizing the
porosity of carbide blank for increasing the transverse rupture strength (TRS). It is very suitable for high
quality requirement for making carbide buttons to be used in high and medium pressure DTH Drilling. As
its unique working performance, tungsten carbide button bits are widely applied to oil filed drilling and snow
removal, snow plough machines or equipments.
--Dimension: diameter from 8-22mm, length from 10-30mm;
--HIP sintering;
--ground and unground;
2. Grade and Applications:
| Grades | Density g/cm³ | T.R.S Mp α | Hardness HRA | Performance &application recommended | Approx grades in China |
| MK4 | 15.1 | 1800 | 90.0 | Mainly used as small buttons for percussion bits to cut soft and medium hard formations. | YG4C |
| MK6 | 14.9 | 2100 | 90.0 | 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. | YG6 |
| MK8 | 14.7 | 2400 | 89.5 | 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 |
| MK10 | 14.7 | 2450 | 88.5 | 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. | YG8C |
| MK15 | 14.6 | 2450 | 87.8 | Suitable for strips, conical buttons for rotary percussion drill bits, geological prospecting buttons, cut soft and medium hard formations. | YK15 YG9C |
| MK20 | 14.4 | 2550 | 87.0 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. | YK20 YG10C |
| MK25 | 14.5 | 2600 | 87.5 | Primarily for the buttons and inserts of rotary percussion bits to cut medium-hard and hard formations. | YK25 |
| MK30 | 14.4 | 2600 | 87.0 | Largely used for the inserts and buttons of percussion bits and tricone bits to cut medium-hard, hard and very hard formations. | YG11C |
| MK40 | 14.2 | 2650 | 86.5 | Mainly used for the buttons of tricone bits, and inserts of rotary percussion bits to cut hard and very hard formations. | YK40 YG13C |
| MK50 | 14.0 | 2700 | 86.5 | For oil cone drill bits, for medium soft and medium-hard rocks. | YG15C |
| MK60 | 14.0 | 2500 | 87.5 | Good strength and less wear resistance, for bits of rotary hammer rock drills and heavy rock drills, for hard and very hard rocks. | YG15 |
3. Size and drawing:
| Dimension | ||||
| D | H | SR | α. | β. |
| 6.25 | 9.9 | 3.4 | 20 | 26.5 |
| 8.25 | 12.2 | 4.4 | 20 | 26.5 |
| 9.25 | 13.9 | 5.0 | 20 | 26.5 |
| 10.25 | 18.9 | 5.5 | 20 | 27 |
| 11.30 | 19.0 | 6.0 | 20 | 27 |
| 12.35 | 20.9 | 6.6 | 20 | 28 |
| 12.35 | 20.0 | 6.3 | 25 | 24.75 |
| 13.35 | 19.9 | 7.0 | 20 | 27 |
| 14.35 | 22.1 | 7.7 | 20 | 16 |
| 14.35 | 24.0 | 7.34 | 25 | 25 |
| 16.35 | 24.9 | 8.8 | 20 | 16 |
| 19.35 | 30.4 | 9.76 | 20 | 30 |
| 21.65 | 31.9 | 11.8 | 20 | 30 |
| Dimension | ||||
| D | H | SR | e | α. |
| 8.25 | 10.0 | 4.4 | 1.5 | 18 |
| 8.25 | 12.0 | 4.4 | 1.5 | 18 |
| 18.25 | 27.1 | 9.2 | 1.5 | 18 |
| 8.25 | 12.2 | 4.4 | 0.7 | 30 |
| 9.25 | 14.9 | 5.0 | 0.7 | 30 |
| 10.25 | 13.0 | 5.5 | 0.7 | 30 |
| 11.30 | 14.0 | 6.0 | 0.7 | 30 |
| 12.35 | 16.0 | 6.6 | 0.7 | 30 |
| 13.35 | 18.0 | 7.0 | 0.7 | 30 |
| 14.35 | 18.1 | 7.7 | 0.7 | 30 |
| 16.35 | 24.6 | 8.8 | 0.7 | 30 |
| 20.45 | 30.0 | 11.5 | 0.7 | 30 |
| 22.45 | 30.0 | 12.0 | 0.7 | 30 |
| Dimension | ||||
| D | H | SR | e | α. |
| 13.35 | 13.5 | 7.0 | 1.5 | 18 |
| 13.35 | 19.9 | 7.0 | 1.5 | 18 |
| 14.35 | 20.0 | 7.2 | 3.0 | 18 |
| 14.35 | 15.0 | 7.5 | 1.7 | 18 |
| 16.35 | 19.0 | 8.8 | 2.2 | 18 |
| 16.35 | 21.9 | 8.8 | 2.2 | 18 |