Carpenter Stainless 20Cb-3 is an austenitic stainless steel designed for improved resistance to sulfuric acid. It finds wide use in all phases of the chemical industry. It has good mechanical properties and comparative ease of fabrication. Columbium stabilizes the alloy to minimize carbide precipitation during welding. 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-182. Producer or source: Carpenter.