... , simple circuit, compact, light, high efficiency and energy saving. Electrode welding machine Advanced invert technology, simple circuit, compact, light, high efficiency and ... carbon steel and alloy steel, all ferrous metal can get good quality welding seam.Widely used for oil pipeline, petrochemical, car, shipbuilding, boiler ... Dimensions(mm)375*155*232480*204*303565*30*495 Electrode welding machine