... ,SWRH62A,SWRH72A,SWRH72B Available Standard:GB Standard,AISI S carbon steel wire rod 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S-6,SWRH62A,SWRH72A ... the chemical composition and optimizing rolling process,the drawing and welding properties of the wire rod are guaranteed.It also has characteristics of ...