Abstract

Boehler T552 Extra is a hardened and tempered steel with a combination of properties for stressed turbine blades. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance as well as forming, heat treating, and joining. Filing Code: SA-559. Producer or source: Böhler-Uddeholm North America.

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