Rolled Alloys 188 is a cobalt-based superalloy with a unique combination of high temperature strength and oxidation resistance, along with adequate ductility even after prolonged exposure to the 760–870 °C (1400–1600 °F) temperature range. Cobalt alloys have an inherent advantage over the nickel-based grades in high temperature creep. Rolled Alloys 188 is solid solution strengthened by a 14% tungsten addition, and further strengthened by M6C and M23C6 carbides. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Co-136. Producer or source: Rolled Alloys Inc.

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