1) Construction: 6 x 7, 6 x12, 6 x 19, 6 x24, 6 x 37, ... (Fi), etc. 2) Diameter: 1mm-48mm 1) Construction: 6 x 7, 6 x12, 6 x 19, 6 x24, 6 x 37 ... reels.8) Nominal tensile strength: 1570MPa, 1670MPa, 1770MPa, 1870Mpa, 1960MPa.. Hot dipped galvanized steel wire rope for highway guard rail