... -1,ER120S-1,C72D2,C82D2,C70DA,C72DA,C80DA,C82DAClassification 1:Prestressed wire rodAvailable Diameter(mm):5.5mm-16mmGrade:SWRH82B,SWRH77B,SWRS82BCharacteristic and ... produce high-strength and low-relaxation per-stressed plain wire, indented wire,negative threaded wire,steel strand and rope, which are widely used ...