... .2-13mm 2.Application:spring,mattress,wire rope. 3.Standard:GB4357-89,DIN17223-84,JISG3521-91 Steel Wire1.Diameter range:0.2 ... -13mm2.Application:spring,mattress,wire rope.3.Standard:GB4357-89,DIN17223-84,JISG3521-91High Carbon Steel Wire Performance:High Carbon ...