... of ships , boilers, pressure vessels 1.AWS E7018 IS A KIND OF LOW HYDROGEN IRON POWDER WELDING ELECTRODE. USED IN ALL POSITION ... 400Mpa σb ≥ 490Mpa AKV (J) -30 'C ≥ 27J 4.DIFFUSED HYDROGEN CONTENT OF DEPOSITED MEAL ≤ 8ml/100g5.REFERENCE CURRENT:diameter.(mm ... 170--200 210--250 ABS, GL .BV approved low hydrogen carbon steel,good quality,low price, small spatter , low fume,Welding electrode AWS E7018