COPPER No. 122 is a deoxidized copper with high residual phosphorus. It is not susceptible to hydrogen embrittlement but has rather low electrical conductivity. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and shear strength as well as fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cu-253. Producer or source: Copper and copper alloy mills.