A prepared sample of the workpiece on which a mechanical test is to be made.
A base metal test specimen is a test specimen composed wholly of base metal; a filler metal test specimen is composed wholly of filler metal.
A weld metal test specimen is one with one or more welds with component base metal parts shaped in a way that compels failure to take place in the weld metal.
A welded joint test specimen has one or more welds and is primarily intended to compare the strength of the welded joint with that of the base metal.
A deposited metal test specimen is one substantially composed of deposited metal.
