This International Standard specifies a method for the liquid penetrant inspection of steel castings, whatever
their grade and the casting procedure used to produce them.
ISO 4987:2010 Referenced Document
ISO 3059 Non-destructive testing - Penetrant testing and magnetic particle testing - Viewing conditions*, 2012-12-01 Update
ISO 3452-1 Non-destructive testing - Penetrant testing - Part 1: General principles*, 2021-04-30 Update