Dual Shield® Ultra® II 70 is an all-position flux-cored wire that displays exceptional impact properties when used with 75% Ar/25% CO2. The improved properties qualify this wire to the Navys "HY" classification. The "Ultra" series produces smoother arc characteristics and lower welding fumes. Dual Shield® Ultra® II 70 was developed to join low and medium carbon steel. The military classification allows Dual Shield® Ultra® II 70 to be used for attaching steels of less than 81 ksi (560 MPa) yield to HY-80 and HY-100. Commercial applications include construction, shipbuilding, railcar and heavy equipment industries.