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 ALLOY STEEL STRUCTURES.SUCH AS WELDING OF BOILER,BRIDGE,PRSSURE VESSELS AND PIPES ETC.
2.CHEMICAL COMPOSITION OF DEPOSITED METAL(%)
C ≤0.12 Mn≤ 1.6 Si≤ 0.75 S ≤0.035 P ≤0.040
3.MECHANICAL PROPERTIES OF DEPOSITED METAL(%):
σs ≥ 400Mpa σb ≥ 490Mpa AKV (J) -30 'C ≥ 27J
4.DIFFUSED HYDROGEN CONTENT OF DEPOSITED MEAL ≤ 8ml/100g
5.REFERENCE CURRENT:
diameter.(mm) 2.5mm 3.2mm 4.0 mm 5.0mm
current(A): 90--120 120--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