... , 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 OF CARBON STEEL AND LOW ... --150 170--200 210--250 ABS, GL .BV approved low hydrogen carbon steel,good quality,low price, small spatter , low fume,Welding electrode AWS E7018