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152
WELD METAL
That portion of a weld that has been melted during welding.
WELD SYMBOL
A picture used to indicate the desired type of weld.
WELDABILITY
The capacity of a material to form a strong bond of adherence under
pressure or when solidifying from a liquid.
WELDER CERTIFICATION
Certification in writing that a welder has produced welds meeting
prescribed standards.
WELDER PERFORMANCE QUALIFICATION
The demonstration of a welder's ability to produce welds meeting
prescribed standards.
WELDING LEADS
a. Electrode lead
. The electrical conductor between the source of the
arc welding current and the electrode holder.
b. Work lead
. The electrical conductor between the source of the arc
welding current and the workpiece.
WELDING PRESSURE
The pressure exerted during the welding operation on the parts being
welded.
WELDING PROCEDURE
The detailed methods and practices including all joint welding
procedures involved in the production of a weldment.
WELDING ROD
Filler metal in wire or rod form, used in gas welding and brazing
processes and in those arc welding processes in which the electrode
does not provide the filler metal.
WELDING SYMBOL
The assembled symbol consists of the following eight elements, or
such of these as are necessary reference line, arrow, basic weld
symbols, dimension and other data, supplementary symbols, finish
symbols, tail, specification, process, or other references.
WELDING TECHNIQUE
The details of a manual, machine, or semiautomatic welding operation
which, within the limitations of the prescribed joint welding procedure,
are controlled by the welder or welding operator.
WELDING TIP
The tip of a gas torch especially adapted to welding.
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