Definition(s)
Quench Crack
Crack in steel resulting from stresses produced during the transformation from austenite to martensite. NOTE This transformation is accompanied by an increase in volume.
Source: API SPEC 5CT, Specification for Casing and Tubing, Upstream Segment, Ninth Edition, July 2011 (Errata September 2012). Global Standards
Quench Crack
Crack in steel resulting from stresses produced during the transformation from austenite to martensite. NOTE This transformation is accompanied by an increase in volume. [ISO 11960:2004, definition 4.1.36].
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards