IIW IWT Practice Questions - IIW International Welding Technologist (IWT) Exam

In submerged arc welding (SAW), what is the primary function of the granular flux?

To act as the filler metal that forms the weld bead To provide arc shielding, slag protection and metallurgical refinement while concealing the arc To cool the workpiece rapidly and increase the cooling rate To electrically insulate the contact tip from the wire

Correct Answer:

To provide arc shielding, slag protection and metallurgical refinement while concealing the arc

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