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 nonconsumable electrodes are included as well, but since these metals are not consumed by the welding process, they are normally excluded.
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Usage
Covered electrodes
Covered electrodes are used extensively in shielded metal arc welding and are a major factor in that method's popularity.
Bare electrode wires
Bare electrode wires are used in gas metal arc welding and bare electrode rods are used in gas tungsten arc welding.
Tubular electrode wires
Tubular electrode wire is used in flux-cored arc welding.
Welding fluxes
Welding fluxes are used in submerged arc welding.
See also
References
- Cary, Howard B. and Scott C. Helzer (2005). Modern Welding Technology. Upper Saddle River, New Jersey: Pearson Education. ISBN 0-13-599290-7.
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