Specification: Current type: AC or DCEN(DC-). DC(-) is recommended Base Materials: ASTM A36 Gr.all; A123; A179; A181 Gr.60, A266 Gr.1 Applicable thickness of bast metal: 0.030 size: under 0.3", 0.35 size: under 0.5" Feature: Excellent bead appearance Excellent slag removal Easy to weld Reduces welding fatigue for increased productivity Ideal for a variety of applications No external shielding gas required Helps to ensure weld integrity and eliminate re-work Ideal for less skillful welders Package Including: .