Standard: GB/T 2059-2000 GB/T2067-1980 GB/T2069-1980 GB/T11089-1989 Length :5.8m 6m or as your required Chemical Composition: Cu:60.5~63.5 Ni:0.5 Fe:0.15 Pb:0.08 Impurity:0.5 Zn: left Applications: chemical processing, petrochemicals industry, oil refineries. Copper bar is widely used in boat building, war industry, car industry and communication industry where the components need good wear proof and great corrosion resistance. Packaging: Plywood case or as customer`s requirement.