Non-destructive testing of steel tubes. Liquid penetrant inspection of seamless and welded steel tubes for the detection of surface imperfections— 16 стр.
BS ISO 20890-2. In-service inspections for primary coolant circuit components of light water reactors. Part 2. Magnetic particle and penetrant testing— 19 стр.
Non-destructive testing of steel tubes - Part 4: Liquid penetrant inspection of seamless and welded steel tubes for the detection of surface imperfections (ISO 10893-4:2011)