Standard: DIN 17223-1, DIN EN 10270-1, JIS G 3521-1991, GB 4357-89 1.Steel Grade: 45#, 42A, 42B, 60#, 65 ... , 1006, 1008, Q195, Q235, 12L142.Diameter: 0.20--12.00mm3.Standard: GB 4357-89, JIS G 3521-91, DIN 17223, EN ... FAX: 0086-523-86808039Mob: 0086-186-5117-4066Skyp: shelly_wire High Carbon Steel Wires For Spring