... ,SWRH72B Available Standard:GB Standard,AISI S carbon steel wire rod 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S ... used to produce high-strength and low-relaxation per-stressed plain wire,indented wire,negative threaded wire,steel strand and ... galvanized cement nail,spanking,pneumatic collated nails and various collated nails,wire rope,steel strand,springs,rubber tube steel wire,tyre core wire,spring wire ...