In submerged arc welding, the arc is struck between:

Explanation:

Submerged arc welding:

• Submerged arc welding is an arc welding process in which heat is generated by an arc which is produced between bare consumable electrode wire and the work-piece.
• The arc and the weld zone are completely covered under a blanket of granular, fusible flux which melts and provides protection to the weld pool from the atmospheric gases.
• The molten flux surrounds the arc thus protecting arc from the atmospheric gases.
• The molten flux flows down continuously and fresh flux melts around the arc.
• The molten flux reacts with the molten metal forming slag and improves its properties and later floats on the molten/solidifying metal to protect it from atmospheric gas contamination and retards cooling rate.
• A process of submerged arc welding is illustrated in Figure.