K-TIG Vs Submerged Arc Welding

Process Comparison

How does K-TIG compare to Submerged Arc welding?

Submerged Arc Welding is a process which requires a continuously fed, consumable, solid or tubular (metal cored) electrode.

The molten weld is protected from atmospheric contamination by being ‘submerged’ under a blanket of granular flux consisting typically of lime, silica, manganese oxide, calcium fluoride and other compounds.

When molten, the flux becomes conductive, and provides a current path between the electrode and the work piece. In suitable applications, SAW can achieve high deposition rates however root passes are generally not achievable.

By contrast, the K-TIG process has no consumables, requires no flux handling systems, creates no flux or slag residues, requires no inter-pass and post-weld slag removal and provides a high quality root bead.

Consumables have been slashed. In most applications, we’ve eliminated wire completely.
Attila Szabo, Principal Joining Engineer, GE

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