... super hard state EHSaccording to the function different, and copper clad steel is divided into: deep drawing bus bar, finished ... tin, silver, lacquer, and synnema into cable, nail making, or bright, anneal ,knitting and so on.Copper clad steel is copper wrapped in ... tin, silver, lacquer, and synnema into cable, nail making, or bright, anneal ,knitting and so on. 15% conductivity copper clad steel wire ...