... products,such as rigging and chains.2,Raw material : quality carbon spring steel ,60# ,65#,70#,72A,82B3,Standard : ISO ,DIN, ASTM ... ,1570mpa,1670mpa,1860mpa,1960mpa6,High carbon spring steel wire (Galvanized , Ungalvanized , coated PVC /PE /Teflon/Rubber/SLPE)steel wire rope, Hot dip galvanized steel wire rope7, Diameter : 0 ...