Copper wrapped steel wire (CCS) combines steel's strong tensile strength as its core with copper's conductivity capabilities as its outer covering. The core material is typically low carbon steel and is used as a grounding wire or the inner conductor of coaxial cables. Copper Clad Steel Wire is manufactured to ASTM B-452 specifications and comes in two tempers: soft and hard drawn. The steel core alloy can theoretically be any grade acceptable for the final use of the wire. Certain medical applications may call for copper clad stainless steel (CCSS) in the 300 series as the core. Copper clad steel wire can be electroplated with gold, silver, tin, solder, and nickel or left bare. Enamel insulations are also an option. See the magnet wire insulation guide for film selections.
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