... , boilers, pressure vessels 1.AWS E7018 IS A KIND OF LOW HYDROGEN IRON POWDER WELDING ELECTRODE. USED IN ALL POSITION WITH ... AND DC CURRENT.SUITABLE FOR WELDING OF CARBON STEEL AND LOW ALLOY STEEL STRUCTURES.SUCH AS WELDING OF BOILER,BRIDGE,PRSSURE ... 5.0mmcurrent(A): 90--120 120--150 170--200 210--250 ABS, GL .BV approved low hydrogen carbon steel,good quality,low price, small spatter , low ...