CARLSON C20 PLUS alloy is an austenitic stainless steel designed for improved resistance to reducing acids, particularly sulfuric acid. It finds wide use in all phases of the chemical industry and has good strength and fabricability for case in making process equipment and piping. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-535. Producer or source: G.O. Carlson Inc..