underbead crack

underbead crack

[′ən·dər‚bēd ‚krak]
(metallurgy)
A crack in the heat-affected zone of a weldment which usually does not reach the base-metal surface.
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.