Underbead crack | Article about underbead crack by The Free Dictionary
underbead crack[′ən·dər‚bēd ‚krak]
A crack in the heat-affected zone of a weldment which usually does not reach the base-metal surface.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
This not only adds cost, but the weld repair of small areas can cause hard spots or undetected underbead cracks
which are more detrimental than the original condition.