... 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,Standard ... 1X19,6X7+FC, 6X19+FC,6X37+FC etc5,Mini tensile strength:1770mpa,1570mpa,1670mpa,1860mpa,1960mpa6,High carbon spring steel wire ... 513 -8591-7128 6X7+FC stainless steel wire rope