J421Fe is a carbon steel welding electrode coated with Fe powder rutile, which is permitted for all positions welding work. AC/DC both can be applied. The product presents excellent welding performance with easy re-strike, low spatter level, effortless slag removal ability, optimal bead appearance and high deposition efficiency.

The product is applicable for welding of the general low-carbon steel structures, especially the thin plates and small pieces, intermittent welding with short bead and cosmetic welding that requires smooth weld surface.