Wire Size: 5.00mm-12.00mm Standard: EN 10270-1,SH, DIN17223, Grade C Material: SAE1080, 82A, 82B 1. Product Name: High ... carbon steel wires, spring steel wires, mattress spring wire, high carbon spring steel wires2 ... EN 10270-1, JIS G 3521-1991, GB 4357-894. Main Markets: Argentina, South Korea, Israel, Malaysia, Pakistan, Thailand, Philippines, Sri ...