... SWRH62A,SWRH72A,SWRH72B Available Standard:GB Standard,AISI S carbon steel wire rod 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A,ER70S ... composition,Low harmful elements,minor decarburization,good surface quality,high sorbite percentage,homogeneous properties along the coil and excellent ... of good surface quality,uniform properties within one coil,high percentage of sorbite,low percentage of inclusion,moderate ...