Galvanized Steel Wire Bare Conductor , Acsr Rail Conductor ASTM A475 Certification The product galvanized steel wire (GSW) is used for the cord of ACSR (Aluminum Conductor Steel Reinforced) conductor. Being the leading enterprise of this industry, the GSW manufactured by Shenghua has excellent mechanical property, best quality of coating and nice condition of surface. Diameter(mm) Tensile Strength(Mpa) Weight of Zinc(g/m2) 1.24~2.25 1340~1620 185~215 2.25~3.00 1310~1590 230 3