Submerged Arc Welding
Keyword： Submerged Arc Welding
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Description
Submerged arc welding is a joining process that involves the formation of an electric arc between a continuously fed electrode and the workpiece to be welded. A layer of powdered flux surrounds and covers the arc and, when melted, provides conductivity between the metals to be joined and the electrodes.When melted, the flux becomes conductive and provides a current path between the electrode and the workpiece. This thick layer of flux completely covers the molten metal, preventing spatter and sparks and suppressing the intense UV radiation and fumes that are part of the Shielded Metal Arc Welding (SMAW) process.
SAW is typically operated as a mechanized process. Welding current (usually between 300 and 1000 amps), arc voltage, and travel speed all affect bead shape, penetration, and chemical composition of the deposited weld metal. Since the operator cannot observe the molten pool, a high degree of reliance must be placed on parameter setting and positioning of the welding wire.
Submerged arc welding can be used to weld boilers and other pressure vessels.
A large collection of structural profiles, pipes, earth moving tools, shipbuilding, railway construction and locomotives.
This type of welding can be used to repair machine parts.
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