... all-position welding, less fume, convenient and safe operation2)Good welding process, stable and mild arc with less splashing, even slag ... -porosity of primer, smooth and beautiful welding, stable and reliable welding quality4)Clean and smooth wire, continuous and reliable feeding, fast welding, ... and low cost5)Equivalent Standard: AWS A5.20/ASME SFA5.20 E71T-1 JIS Z3313 YFW-C50DRProtection Gas: 100 ...