Name of item Spring steel wire Material used Home made or imported high quality steel wire rod 70, 72A, 72B, 80, 82B, 50CrVA, 55CrSiA, 60Si2MnA, 67CrVA, 65Mn, 67B Specification Dimension: 0.15- 12.0mm available Surface: bright smooth surface with black color, phosphasted or Zinc-Coated , excellent performance in rust resistance Standard: GB/T 4357, ASTM A 229, DIN17223, EN10270 etc Application: showed as the right picture Characteristics: made with high-quality raw material; oil or lead quenching treated; high tensile strength; good and reliable performance; various international standard packing (Z2/Z3) available Packing Coils - steel wires are wined as coil shape strapped with steel strip, outside covered with the PVC paper (20-500kg/coil) Spools - according DIN300 or 355 (15-30kg/spool) Z2 packing - standard Z2/Z3 packing (350-450/coil) Steel frame carrier - steel wires are placed with the steel frame and strapped with steel strips (600-900kg/carrier)