1.ungalvanized steel wire 2.carbon spring steel wire, 3.high tensile strength , 4.high ... ) Material: 60#, 70#, 75#, 72A, 72B, 82B, 65Mn 2) Diameter range: 0. 2-12. 0mm 3) Standard: GB4357-89, DIN17223 4) Shipment: Prompt ... containerDia.: 0.1mm ~ 13.0mm Tensile strength: 1270N/mm2 ~ 3000N/mm2(Class A, Class B, Class C) 2.0mm patented cold drawn steel ...