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Submerged arc welding uses a wire electrode (like MIG welding) and a granular flux to protect the puddle and add alloys to the weld. This flux is deposited into the weld area by a hopper/tube arrangement which relies on gravity. The operator cannot see the weld taking place and relies on gauges to ensure the process is proceeding correctly. This process can only be done in the flat position. On the positive side a large amount of weld is deposited compared to any other process. This process can be manual, semi or fully automated. In MIG welding (Inert Gas Shielded Arc Welding) the protective shield is an inert gas which allows the operator to see the weld as it takes place. It can also be manual, semi or fully automated.

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Q: How submerged aec welding arc welding is different from inert gas shilded arc welding?
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