CARPENTER CRB-7 is a corrosion-resistant, wear-resistant and secondary-hardening steel for high-temperature bearings. It has high quenched-and-tempered hardness and maintains high hardness at elevated temperatures. CRB-7 is a martensitic type of stainless steel. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-370. Producer or source: Carpenter.