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Tungsten carbide Pellets for Counter Weight
Description
For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells,
high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for
cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish,
tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.
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 |
Cobalt Binder Grades
Grade | Binder(Wt%) | Density(g/cm3) | Hardness(HRA) | TRS(≥N/mm2) |
YG6 | 6 | 14.8 | 90 | 1520 |
YG6X | 6 | 14.9 | 91 | 1450 |
YG6A | 6 | 14.9 | 92 | 1540 |
YG8 | 8 | 14.7 | 89.5 | 1750 |
YG11 | 11 | 14.40 | 87.0 | 2200 |
YG12 | 12 | 14.2 | 88 | 1810 |
YG15 | 15 | 14.0 | 87 | 2050 |
YG20 | 20 | 13.5 | 85.5 | 2450 |