... quality, beautiful welding bead appearance, deep penetration, etc. Submerged-arc welding wire can be used in shipbuilding, bridge building, ... vessels, etc.Used together with sintered flux 101. Submerged-arc welding wire can be used for welding atmospheric corrosion-resistant ... steel structures with tensile strength of 550MPa. Submerged-arc welding wire are widely used as welding carbon steel ...