... #, 82B Diameter Range: 0.20mm~12.00mm 1. Product Name: High Carbon Steel Wire, Spring Steel Wire, High Carbon Spring Steel Wire, Carbon Steel Wire, Spring Wire, Mattress Spring Wire, Spring Wire for Mattress2. Material: MaterialCarbon%Silicon%Manganese ... .050.920.060.278Pb: 0.243 3. Production Standard: GB4357-89, JIS G3521-1991, DIN17223-1, BS EN10270-14. Main Markets: India ...