... welding of ships , boilers, pressure vessels 1.AWS E7018 IS A KIND OF LOW HYDROGEN IRON POWDER WELDING ELECTRODE. ... USED IN ALL POSITION WITH BOTH AC AND DC CURRENT.SUITABLE FOR WELDING ... AND LOW ALLOY STEEL STRUCTURES.SUCH AS WELDING OF BOILER,BRIDGE,PRSSURE VESSELS AND PIPES ... price, small spatter , low fume,Welding electrode AWS E7018