High performance tungsten alloy ball has a combination of many properties that are unique. It has high compressive strength, hardness and resistance against wear, and the ability to withstand shock and also impact. It is used where extreme hardness and wear resistance is required in such applications as bearings, ball screws, valves and flow meters. It may also be brazed onto a stem or shank to be used for valves, gauges.
Chinatungsten Online manufacture standard balls for immediate delivery from our modern warehouse, but mostly, we manufacture to order when the customer can specify any of these specifications: diameter with its tolerance, density with its tolerance, the weight with its tolerance, alloy, surface finish, crush test requirements and few more special confidential specs proprietary for each of our customers.
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http://www.tungsten-alloy.com/tungsten-alloy-ball.html