A heavy coated low hydrogen iron powder type electrode. Weld deposit is of radiographic quality with deposition efficiency more than 110%. Easy to operate in all positions and the slag is easily removable. Specially design to weld heavy restrained joints subject to dynamic loading. Suitable for welding of boilers, pressure vessels, bridges, earth moving equipment, blast furnace shells, pipe lines and heavy structure, etc. This electrode is available in 2.5, 3.2 & 4 mm OD.