... %, 17%, 20%, 22%, 25%, 30%, 40% The CCS Stranded Cable using 99% pure copper clad steel, it has the intensity and tenacity of ... steel, and also have the conductivity and anti-corrosion of copper. It is used in electric railway, network communication, underground, cable ... is one material which can be substituted as pure copper stranded cables. Copper Claded Steel Stranded Cable