... drawing performance.3,High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to ... good looks5,Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.6,High sorbitizing percentage.GB/T4354-1994 ... . With higher strength, hardness and wearability, the high carbon steel coil could be used to make steel wire rope, spring, tire ...