... steel wire rope for different usage, spring steel wire, steel core Al strands, galvanized steel wire, galvanized steel strands, prestressing ... looks5,Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.6,High sorbitizing percentage.GB/T4354-1994 ... higher strength, hardness and wearability, the high carbon steel coil could be used to make steel wire rope, spring, tire ...