Soundness of a weld that show no internal or underbead cracks, voids or inclusions when inspected by X-ray or gamma ray techniques.

Slope of a shear knife from end to end.

An electrical device used to change alternating current to direct current.

A test in which a transverse section of the weld is located in the center of the reduced section of the specimen.

A gas flame that has a reducing effect, due to the presence of excess fuel.