U.S.S. A-R Steel, also called U.S.S. Abrasion Resisting Steel, is a low cost abrasion resisting steel for the materials handling industries. It is an intermediate carbon-manganese steel, with better workability than carbon steel of the same hardness level. This datasheet provides information on composition, tensile properties, and bend strength. It also includes information on corrosion resistance as well as forming, machining, and joining. Filing Code: SA-13. Producer or source: United States Steel Corporation.