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When is a cobalt or nickel hardfacing alloy used?

April 26, 2017Alloy cobalt hardfacing nickel Used

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When is a cobalt or nickel hardfacing alloy used?

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Cobalt alloys contain many types of carbides and are good for severe abrasion at high temperatures. They also have good corrosion resistance for some applications. Deposit hardness ranges from 25 HRC to 55 HRC. Work-hardening alloys also are available. Nickel-base alloys can contain chromium borides that resist abrasion. They can be good particularly in corrosive atmospheres and high temperatures when abrasion is a problem.