steel strand 1.Standard:ASTM ,GB,DIN,BS 2.Material:82B,77B etc 3.Tensile strength:1770/1860/1960Mpa 4.Type:1x2,1x3,1x7,1x19 steel strandProduct name steel strandSizeOuter Diameter4mm-17.8mm Tensile strength1470/1570/1670/1720/1860/1960Mpa Structure1x2,1x3,1x7,1x19 Steel material82B,77B StandardGB/ASTM UsageStructure,Communication cable and Construction etc Packageshaftless and moisture-proof each ...