This ESAB Wire Cored Dual Shield 11 70T-12H4 MIG welding wire is high efficiency (90% to 98%), designed for multipass welding in robotic applications, and for use in bridge and civil construction, mobile equipment, industrial and general fabrication, railcar, and ship/barge building applications. It has a 0.045-inch diameter with a 550 MPa tensile strength. Available in a 15-kilogram spool.