... , Iran, Pakistan, Sri Lanka, Philippines, etc. We believe that our wires can meet your requirements.Steel Grade: 60#, 65#, 65Mn, 70 ... Standard: DIN17223, GB 4357-89Chemical Composition Steel GradeGB StandardCarbon%Silicon%Manganese%Phosphorus%Sulphur %Chromium%Nickel%Cuprum%60#0.60-0.610 ... -523-86808839 FAX: 0086-523-86808039MOB.: 0086-18651174066 SAE1070 High Carbon Spring Steel Wires