... .Diameter range:0.2-13mm 2.Main application:making spring,mattress,wire rope. 3.Standard:GB4357,DIN17223 StainlessSteel wires / ... High carbon Nickel steel wire , steel coil1. Main application: making spring,mattress,wire rope. 2. Have good tensile ... strength and elongation,bending. Can make steel wire for making ropes accord DIN17223, JIS, BS, ASTMstandard ;3. ...