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Welding Terms

Terms in this set (15)

Arc length
The distance from which the electrode is from the base metal while you're welding.
Electrode
Electrodes come either covered with flux, or just bare wire. In the field an electrode is called a "rod" in stick welding, and "wire" for MIG and Flux Cored Arc Welding.
Stinger
What we call the ELECTRODE HOLDER in the shop or field.
Bead
The deposited filler metal on and in the work surface when the wire or electrode is melted and fused into the steel.
GMAW
Gas Metal Arc Welding
SMAW
Shielded Metal Arc Welding
Stringer bead
A type of weld bead made without appreciable weaving motion
Penetration
Is the FUSION or depth into the PARENT METAL from its surface
Flux
Cleans the surface and when burned makes a SHIELDING GAS that protects the weld POOL, or PUDDLE from atmospheric contaminants that cause DEFECTS.
Slag
When the FLUX on a welding ROD melts it produces the SHIELDING GAS to protect the weld, and then forms a hardened protective coating over the weld. This has to be chipped off and thoroughly cleaned, usually by brushing.
Lead angle
The angle formed between the electrode and the work piece.
Coupon
A test piece of metal
Welding
The fusing of two pieces of metal together.
Pad of beads
Stringer beads ran one next to another completely filling the pad
Stick out
How far the wire sticks out from the end of the NOZZLE in MIG welding.
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