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Valve Ball and Seat:
We can supply tungsten carbide ball and valve seat with high precision.With high corrosion and wear resistance, and high strength and temperture resistant,our valve ball (tungsten carbide pellets) and seat export to many countries. Application: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: G5, G10, G16, G40 and G100 of JB/T 9145-1999.
Grade | Equal to ISO Category Number | Performance |
uses | ||
Density | Bend Strength | Hardness | |||
G/Cm3 | N/mm2 | HRA | |||
YG3 | K01 | 14.9-15.3 | 1180 | ≥90.5 | sand-blasting nozzlesQualified for fine turning and half-fine turning when cast iron, non-ferrous metal, alloys as well as non-alloy materials cutting consecutively. Can make wire drawing of steel and non-ferrous metal. Also qualified for sand-blasting nozzles. |
YG3X | K01 | 15.1-15.4 | ≥1300 | ≥91.5 | |
YG6X | K10 | 14.8-15.1 | ≥1560 | ≥91.0 | Qualified for machining of chilled cast iron, alloy cast iron, refractory steel and alloy steel. Also Qualified for the machining of common cast iron. |
YG6A | K10 | 14.7-15.1 | ≥1580 | ≥91.0 | |
YG6 | K20 | 14.7-15.1 | ≥1670 | ≥89.5 | Qualified for finish machining and semi-finish machining for the cast iron, non-ferrous metal, alloy and unalloyed materials. Also qualified for wire drawing for the steel and non-ferrous metal, electric drill for geology use and steel drill etc. |
YG8 | K20-K30 | 14.6-14.9 | ≥1840 | ≥89 | Qualified for rough machining of cast iron, non-ferrous metal, nonmetal materials, drawing of steel, non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts.
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