Submerged arc welding (SAW) is a welding process where the molten weld and the arc zone are protected from atmospheric contamination by being submerged under a blanket of granular fusible flux.
https://www.youtube.com/watch?v=I_Zp67Vd2PU
https://www.youtube.com/watch?v=3tx2Sh0cJ4Q
Previously:
https://www.homemadetools.net/forum/...7862#post86386
https://www.homemadetools.net/forum/...267#post121607
https://www.homemadetools.net/forum/...6268#post83362
https://www.homemadetools.net/forum/...393#post116770
https://www.homemadetools.net/forum/...2814#post97209
https://www.homemadetools.net/forum/...968#post100346
https://www.homemadetools.net/forum/...279#post103846