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Common materials used for machined parts-2

May 31, 2023

Cobalt Chrome: Need a knee or hip replacement? Chances are good it will be made of Cobalt Chrome (CoCr), a tough and wear-resistant alloy. Also known by its brand name Stellite, this biocompatible metal is also popular for turbine blades and other components that require high strength and heat-resistance. Unfortunately, it’s difficult to cut, boasting a machinability rating of around 15 percent (by comparison, 1212 low-carbon steel is rated at 100 percent, and aluminum upwards of 400 percent).