.Submerged Arc welding machine adopt the advanced IC thyristor controlled technology, the ability of antijamming is strong, current fluctuation is little, the arc is steady; 2.High welding performance with stable arc and smooth welding; 3.Suitable for the generic or thick plate of carbon steel with long welded joint, and carbon arc gas gouging; 4.Used extensively in shipbuilding, large-scale metal structure and large-scale container. ParameterUnit