Product Details

Specifications

High precision tungsten carbide pen ball
1.100% virgin material
2.various grade available
3.ISO9001: 2008

High precision tungsten carbide pen ball

Product Description

1.Description

Tungsten carbide balls are used where extreme hardness and wear resistance is required; in such applications as bearings, ball screws, valves and flow meters.

2.Grade and performance

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

Other grades may be ordered by customer's requirements.

Performance

1. High strength, high wear resistance, high precision, high temperature resistant, corrosion resistant.
2. 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.
3. They are used with compatible cemented carbide valve seats.
4. 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.
5. Precision machined cemented carbide balls of other grades and specifications are also available based on customers' demands.
6. Compatible high precision valve seats can also be made available.

3.Type and specifications

Other sizes may be ordered by customer's requirements.

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

4. Product Display

Packaging & Shipping

Exported wooden cases or paper cartons or as per your requiements.