... SWRH72A,SWRH72B Available Standard:GB Standard,AISI S carbon steel wire rod 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6, ... wire rod of SWRH77B and SWRH82B is mostly used to produce high-strength and low-relaxation per-stressed plain wire,indented wire,negative threaded wire,steel ... and various collated nails,wire rope,steel strand,springs,rubber tube steel wire,tyre core wire,spring wire etc.It can ...