Copper No. C11100 is commonly known as anneal-resistant electrolytic copper. It is produced mainly as wire for electrical power transmission where resistance to softening under overloads is desired. This datasheet provides information on composition, physical properties, and elasticity. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: Cu-530. Producer or source: Copper and copper alloy mills. See also Alloy Digest Cu-590, October 1993.