An iron powder, hydrogen controlled electrode producing tough & ductile weld metal for weldingheavy & rigid structure subjected to dynamic loading. The weld metal is of radiographic quality and displaysremarkable mechanical properties like toughness resistance even at -50°Ctemperature. Suitable for welding of high pressure boiler vessels, carbon steel rigid and heavy structures, Steels sensitive to hydrogen embrittlement and prone to crack, Industrial equipment subjected to severe impact, off-shore drillingrigs and flat forms,    equipment’s require heavy impact at minus 46°C., Thick plate of carbon steels., etc. Thiselectrode is available in 2.5, 3.2 & 4 mm OD.