... -6,SWRH62A,SWRH72A,SWRH72B Available Standard:GB Standard,AISI S carbon steel wire rod 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A ... relaxation per-stressed plain wire,indented wire,negative threaded wire,steel strand and rope,which are widely used in rail sleeper ... ,highway,bridge,bridge cable,large cement pipe,etc.Classification 2:Welding wire rodAvailable Diameter(mm):Φ5.5mm,6.5mm.Grade ...