1)high carbon spring steel wire 2)process:cold-drawing 3)suitable for Mattress,carcushion,indoor decoration13)packing:coil

     Tensile strength table of steel wire(Mpa) Group    Tensile strength    Group     Tensile strength     Group     Tensile strength A1  1180~1380   A2    1380~1580  A3     1580~1780 A4    1780~1980          A5  1980~2180    A6    2180~2380     A7      2380~2580    A8    2580~2780 A9  2780~2980

spring steel wire