Definition(s)
Grind (Verb)
Remove material from a surface by abrading, e.g. with a grinding wheel or file.
Source: API RP 5A5, Field Inspection of New Casing, Tubing, and Plain-end Drill Pipe, Reaffirmed August 2010. Global Standards
Grind (Noun)
Area where metal was removed with an abrasive wheel in the process of evaluation or repair on an imperfection.
Source: API RP 7G-2, Recommended Practice for Inspection and Classification of Used Drill Stem Elements, First Edition, August 2009. Global Standards