USS FREMAX 45 is a medium-carbon, resulfurized, rephosphorized, free-machining, flame-hardenable, wear-resistant plate steel for applications in which ease of machining is of prime importance. It is recommended for rolls machine ways, cams, gears and other equipment and machinery parts. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, joining, and surface treatment. Filing Code: CS-22. Producer or source: United States Steel Corporation. Originally published November 1964, revised November 1974.

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