... 1.57mm~4.0mm 2.Standard:GB,ASTM 3.Strength:1270mpa~1570mpa 4.Used for:communication cables Galvanized Steel ... 1.57mm~4.0mm2.Standard:GB,ASTM3.Strength:1270mpa~1570mpa4.Used for:communication cablesHigh tensile strength, tru-laid, well-aligned, vertically ... metal, suitable for extreme conditions in particular, long life of service available,less structure extension, corrossion resistance, suitable for ...