... Tangshan Kaiwei Steel Co., LtdSteel Wire Rod 5.5/ 6.5mm SWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A,SWRH72A,SWRH72BER70S-2,ER70S-3 ... , large cement pipe, etc.Classification 2:Welding wire rodAvailable Diameter(mm):5.5mm,6.5mm.Grade:H08A,ER70S-6Characteristic and ApplicationThis grade ...