CRUCIBLE 416R is a hardenable chromium stainless steel particularly suited for use in high-quality precision rifle barrels. This grade has good machinability and because of closely controlled chemistry and processing techniques, it can be machined and lapped to a high finish which is important for bore accuracy. Crucible 416R can be purchased either annealed or heat treated to a hardness of about 270 Brinell. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-429. Producer or source: Crucible Specialty Metals Division, Colt Industries.

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