Submerged arc welding differs from other arc-welding processes in that a blanket of fusible, granular material - commonly called flux - is used for shielding the arc and molten metal. The arc is struck between the work-piece and a bare wire electrode, the tip of which is submerged in the flux. Since the arc is completely covered by the flux, it is not visible and the weld is run without the flash, splatter, and sparks that characterize the open arc process.

Benefits:

• Used with all types of joints
• Permits welding a full range of carbon and low-alloy steels
• Permits welding of some high-alloy, heat treated and stainless steels
• Favored process for rebuilding and hard surfacing
• Good ductility, impact resistance and uniformity in bead appearance
• Mechanical properties that are at least equal to those of the base metal are consistently obtained