1.Diameter range:0.2-13mm 2.Main application:making spring,mattress,wire rope. 3.Standard:GB4357-89,DIN17223-84,JIS G 3521-91 High Carbon Spring Steel Wire Performance:1.Diameter range:0.2-13mm2.Main application:making spring,mattress,wire rope.3.Standard:GB4357-89,DIN17223-84,JIS G 3521-91 Standard:DIN17223-84: High Carbon Spring Steel Wirewire diameter(mm)Tensile Strength(N/mm² )Grade AGrade ...