carbon steel wire rods Coil 5.5mm SWRH82B,SWRH77B ... SWRH72A,SWRH72B ER70S-2,ER70S-3,ER70S-4,ER70S carbon steel wire rods Coil 5.5mmSWRH82B,SWRH77B,SWRS82B, H08A ... surface quality,uniform properties within one coil, high percentage of sorbite, low percentage of inclusion, moderate grain size and excellent drawing ... spring wire etc. It can meet the requirement of metalwork industry. carbon steel wire rods