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The weld pool must be carried along the joint in a consistent width and depth, and the motion used to carry the weld pool has a direct effect on the quality of the weld bead. A weld made by starting and carrying a weld pool, without the addition of a filler material, is called an autogenous weld.
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and is ready to be infused with filler material. The weld pool is central to the success of the welding process. It was first observed in
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commonly refers to the dime-sized workable portion of a
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39:where the base metal has reached its
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