... steel wire, mild steel wire1. Production Standard: GB3206-82, YB/T 5032-20062. Tolerance: +/-0.01mm3. Tensile strength : B,C grade ... . We can produce our wires accordings to GB/T, YB/T, JIS, ASTAM, DIN, ISO, ect.5. Chemical Composition MaterialCarbon%Silicon%Manganese%Phosphorus ...