◆ High strength, high wear resistance, high precision, high temperature resistant, corrosion resistant.
◆ They are mainly used for the sealing of valves of oil pumps in petroleum industry’s sand containing wells, viscous oil wells, sea oil wells and high pressure sulfur resistant oil wells, etc.
◆ They are used with compatible cemented carbide valve seats.
◆ 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.
◆ Precision machined cemented carbide balls of other grades and specifications are also available based on customers’ demands.
◆ Compatible high precision valve seats can also be made available.
Carbide grade
Grade
Density(g/cm3)
Hardness(HRA≥)
TRS(MPa)
YG6X
14.95
91.5
1800
YG8
14.80
89.5
2200
YG11
14.40
87.0
2500
Many carbide grades can meet your requirements for precision machined cemented carbide balls in their good precision, good wear resistance and good corrosion resistance.
Type and specifications
Dia.
(D)
Inch
3/4
7/8
15/16
1
1 1/8
1 3/16
mm
19.050
22.225
23.813
25.400
28.575
30.163
Inch
1 1/4
1 3/8
1 1/2
1 5/8
1 11/16
1 3/4
mm
31.750
34.925
38.100
41.275
42.863
44.450
Inch
2
1 1/4
2 1/2
mm
50.000
50.800
57.150
60.000
63.500
Customization Service
In addition to standard specifications, we offer comprehensive customization including special sizes, special shapes, custom material formulations, and surface coating treatments. Please contact us via the inquiry form or by phone with your specific requirements.
