We can produce different series of tungsten carbide bottom sleeves which are widely applied in oil and gas industry.For MWD and LWD measuring tools,customized design
are welcome.We have a very professional team to provide a very good quality of tungsten carbide bushings.
Cobalt Binder Grades
Grade | Binder (Wt %) | Density (g/cm3) | Hardness (HRA) | TRS (>N/mm²) |
YG6 | 6 | 14.8 | 90.0 | 1520 |
YG6X | 6 | 14.9 | 91.0 | 1450 |
YG6A | 6 | 14.9 | 92.0 | 1540 |
YG8 | 8 | 14.7 | 89.5 | 1750 |
YG12 | 12 | 14.2 | 88.0 | 1810 |
YG15 | 15 | 14.0 | 87.0 | 2050 |
YG20 | 20 | 13.5 | 85.5 | 2450 |
YG25 | 25 | 12.1 | 84.0 | 2550 |
Nickel Binder Grades
Grade | Binder (Wt %) | Density (g/cm3) | Hardness (HRA) | TRS (>N/mm²) |
YN6 | 6 | 14.7 | 89.5 | 1460 |
YN6X | 6 | 14.8 | 90.5 | 1400 |
YN6A | 6 | 14.8 | 91.0 | 1480 |
YN8 | 8 | 14.6 | 88.5 | 1710 |
Typical Tungsten Carbide Grade Mechanical Properties for Mechanical seal rings
| Grade | Main Chemical Composition（wt%） | Modulus Of Elasticity （KN/m㎡） | Compressive Strength （N/m㎡） | Thermal Conductivity （W/m-K） | Coefficient Of Thermal Expansion | ||||
| WC | Co | Ni | TiC | Mo | |||||
| YG6 | 94 | 6 | - | - | - | 630 | 5500 | 100 | 5.5×10-6/ K |
| YG8 | 92 | 8 | - | - | - | 590 | 5200 | 90 | 5.8×10-6/ K |
| YG15 | 85 | 15 | - | - | - | 530 | 4600 | 70 | 6.2×10-6/ K |
| N100 | 94 | - | 6 | - | - | 600 | 4500 | 90 | 5.3×10-6/ K |
| N200 | 92 | - | 8 | - | - | 570 | 4300 | 80 | 5.2×10-6/ K |
| TIP | 81.5 | 8.5 | 10 | - | 530 | 4700 | 70 | 5.6×10-6 /K | |
| QT200 | 25 | - | 15 | 52 | 8 | 400 | 3400 | 25 | 7.8×10-6 /K |
