Filler metal

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A filler metal is a metal added in the making of a joint through welding, brazing, or soldering. Four types of filler metals exist—covered electrodes, bare electrode wire or rod, tubular electrode wire, and welding fluxes. Sometimes non-consumable electrodes are included as well, but since these metals are not consumed by the welding process, they are normally excluded.

Usage[edit]

Covered electrodes[edit]

Covered electrodes are used extensively in shielded metal arc welding and are a major factor in that method's popularity.

Bare electrode wires[edit]

Bare electrode wires are used in gas metal arc welding and bare electrode rods are used in gas tungsten arc welding.

Tubular electrode wires[edit]

Tubular electrode wire is used in flux-cored arc welding.

Welding fluxes[edit]

Welding fluxes are used in submerged arc welding.

See also[edit]

References[edit]

  • Cary, Howard B. and Scott C. Helzer (2005). Modern Welding Technology. Upper Saddle River, New Jersey: Pearson Education. ISBN 0-13-599290-7.