... steel wire rope and so on,At the same time ,we make some referring products,such as rigging and chains.2,Raw material : quality ... carbon spring steel ,60# ,65#,70#,72A,82B3 ... FC,6X37+FC etc5,Mini tensile strength:1770mpa,1570mpa,1670mpa,1860mpa,1960mpa6,High carbon spring steel wire (Galvanized , Ungalvanized , coated PVC /PE /Teflon/Rubber/SLPE)steel wire rope ...