... :GB4357,DIN17223,JIS G 3521 High Quality Carbon Spring Steel WiresSteel Wires 1.Diameter range:0.2- ... 13mm2.Main application:making spring,mattress,wire rope.3.Standard:GB4357,DIN17223,JIS ... G 3521Standard:DIN17223: High Carbon Spring Steel Wire wire diameter(mm)Tensile Strength(N/mm² ... 13401350-1500 13.00 1160-13101320-1470 2013 Carbon Spring Steel Wires