Definition(s)
Non-Linear Imperfection
Imperfection which includes, but is not limited to, pits and round-bottom die stamping. NOTE See API Std 5T1.
Source: API SPEC 5CT, Specification for Casing and Tubing, Upstream Segment, Ninth Edition, July 2011 (Errata September 2012). Global Standards
Non-Linear Imperfection
Imperfection that includes, but is not limited to, pits. See API Std 5T1.
Source: API SPEC 5DP, Specification for Drill Pipe, First Edition, August 2009. Global Standards