1.1 This specification establishes the requirements for two grades of oxygen-free electrolytic copper wire bars, billets, and cakes produced without the use of metallic or metaloidal deoxidizers. 1.2 Oxygen-free copper, This specification covers grade 1 ( UNS C10100) and grade 2 (UNS C10200) of oxygen-free electrolytic copper wire bars, billets, and cakes produced without the use of metallic or metaloidal deoxidizers. The chemical composition of each grade shall be in