T9074-AS-GIB-010/271 Rev 1
5.4 GENERAL REQUIREMENTS..................................................................................................................................5-1 5.4.1 Procedure.......................................................................................................................................................... 5-2 5.4.1.1 Change of Penetrant Materials....................................................................................................................5-2 5.4.1.2 Record Requirements. ................................................................................................................................ 5-2 5.5 SURFACE PREPARATION. .....................................................................................................................................5-2 5.5.1 Finished Surfaces.............................................................................................................................................. 5-2 5.6 TEST PROCEDURES................................................................................................................................................ 5-3 5.6.1 Order of Testing. .............................................................................................................................................. 5-3 5.6.2 Pre-Test Cleanliness. ........................................................................................................................................ 5-3 5.6.2.1 Qualification of Alternate Precleaners. .......................................................................................................5-3 5.6.3 Temperature. .................................................................................................................................................... 5-3 5.6.4 Penetrant Application. ...................................................................................................................................... 5-4 5.6.4.1 Application of Emulsifier (Methods B and D)............................................................................................5-4 5.6.5 Removal of Penetrant. ...................................................................................................................................... 5-4 5.6.5.1 Method C Materials. ................................................................................................................................... 5-4 5.6.5.2 Method B and D Materials. ........................................................................................................................5-4 5.6.5.3 Method A Only. .......................................................................................................................................... 5-4 5.6.6 Surface Drying.................................................................................................................................................. 5-5 5.6.6.1 Method C. ................................................................................................................................................... 5-5 5.6.6.2 Methods A, B, and D. ................................................................................................................................. 5-5 5.6.7 Application of Developer. ................................................................................................................................ 5-5 5.6.7.1 Nonaqueous Wet Developer. ......................................................................................................................5-5 5.6.7.2 Dry Developer. ........................................................................................................................................... 5-5 5.6.7.3 Aqueous Wet Developer.............................................................................................................................5-5 5.6.8 Lighting in Test Area........................................................................................................................................ 5-5 5.6.9 Final Cleaning. ................................................................................................................................................. 5-5 5.6.10 Safety Precautions. ......................................................................................................................................... 5-5 5.7 DETERMINATION OF RELEVANCY. ...................................................................................................................5-6 CHAPTER 6 ULTRASONIC TESTING ................................................................................................................................6-1 6.1 INTENDED USE. ...................................................................................................................................................... 6-1 6.2 DEFINITIONS. .......................................................................................................................................................... 6-1 6.2.1 Acoustically Similar Materials. ........................................................................................................................ 6-1 6.2.2 Amplitude Rejection Level (ARL). ..................................................................................................................6-1 6.2.3 As-Welded Condition. ...................................................................................................................................... 6-1 6.2.4 Calibration. ....................................................................................................................................................... 6-1 6.2.5 Calibration Reflectors....................................................................................................................................... 6-1 6.2.6 Calibration Standard. ........................................................................................................................................ 6-1 6.2.7 Class of Weld. .................................................................................................................................................. 6-1 6.2.8 Continuous Scan. .............................................................................................................................................. 6-1 6.2.9 Disregard Level (DRL)..................................................................................................................................... 6-1 6.2.10 Full Screen Height. ......................................................................................................................................... 6-1 6.2.11 IIW Block. ...................................................................................................................................................... 6-2 6.2.12 Instrument Display. ........................................................................................................................................ 6-2 6.2.13 Peak Indication. .............................................................................................................................................. 6-2 6.2.14 Ultrasonic Test Sensitivity.............................................................................................................................. 6-2 6.2.15 Ultrasonically Sound Material. .......................................................................................................................6-2 6.2.16 Weld Heat Affected Zone (HAZ). ..................................................................................................................6-2 6.3 PROCEDURE AND TEST METHODS. ...................................................................................................................6-2 6.3.1 Test Method Selection. ..................................................................................................................................... 6-2 6.3.2 Surface Finish. .................................................................................................................................................. 6-2 6.3.3 Testing Speed. .................................................................................................................................................. 6-2 6.3.4 Couplant. .......................................................................................................................................................... 6-2
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