... 57mm~4.0mm 2.Standard:GB,ASTM 3.Strength:1270mpa~1570mpa 4.Used for:communication cables Galvanized Steel Wire1.Diameter:1.57mm~4 ... tensile strength, tru-laid, well-aligned, vertically hot dip galvanized surface coating, fastened with ferrous metal, suitable for extreme conditions ... suspension, tying, bolting and fixing articles and communication cables and overhead ground wire. Galvanized Steel Wire