... : Wire diameter 0.40 mm--4.0 mm. 3. Material:Carbon Steel, non-alloy. Meet AISI, ASTM, BS, DIN, JIS. 4. Standard ... : Mainly used for Spring, Wire rope, Simmons bed, Vehicles and various cushions, Machine manufacturing, Electric tools, Electrical equipment ,and so on. 7 ... ,We also can offer you others products, such as , steel wire rope, steel balls, steel nails.More information will be sent ...