DeviceCMYK 8 bitsThe Lincoln Electric Co. ( has introduced two gas-shielded, fluxcored wires for mild steel welding. UltraCore 712C is designed for tank and shipbuilding applications using straight CO2. The company says the wire is classified as AWS E71T-2, and has high impact values regardless of notch location in the weld joint. UltraCore712A90 is classified as E71T-12, and is suitable for offshore, tank and pressure-vessel fabrication.