3. Submerged flux-cored welding
Main characters :
Electrode: fusible metal wire continuously unwound.
Protection: simultaneous application of composite powder called flux.
Current: DC and AC.
3.1 Process description
Submerged arc powder welding (SAFP) is the automation of coated electrode welding. It combines a fusible wire electrode, unwound from a reel, with protection provided by vapors from a composite powder comparable to the coating and delivered directly to the arc zone, but independently of the electrode. This arrangement makes it possible to produce multi-hour, uninterrupted welds. This process is also known as submerged arc welding (SAW).
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Submerged flux-cored welding
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