glossary

glossary

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A crack located in the weld metal or heat affected zone.

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Short wavelength light emitted during arc cutting and welding processes that is harmful to the eyes and skin.

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A crack in the heat-affected zone generally not extending to the surface of the base metal.

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A weld defect that starts in the heat affected zone and is caused by excessive molecular hydrogen trapped in that region. It is sometimes referred to as cold cracking, since it occurs after the weld metal has cooled.

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A groove melted into the base plate adjacent to the weld toe or weld root and left unfilled by weld metal.