RECOMMENDED PRACTICE FOR ULTRASONIC EVALUATION OF PIPE IMPERFECTIONS
American Petroleum Institute
1 SCOPE
2 REFERENCES
3 DEFINITIONS
4 APPLICATION
4.1 Basis for Inspection
4.2 Applicability of Inspection
4.3 Variability of Results
5 CERTIFICATION OF NONDESTRUCTIVE TESTING PERSONNEL
6 PROVE-UP TECHNIQUE DESCRIPTIONS
6.1 Amplitude comparison technique (ACT)
6.2 Amplitude Distance Differential Technique (ADDT)
7 GENERAL INSPECTION CRITERIA
7.1 Equipment
7.2 Instrument and Transducer Equipment
Calibration/Certification
7.3 Reference Standards
7.4 Transducer, Angle Beam Wedge and Couplant Criteria
7.5 Instrument Criteria
8 STANDARDIZATION
8.1 General
8.2 Shear Wave Standardization
8.3 Standardization Checks
9 INSPECTION PROCEDURES
9.1 General
9.2 Procedure
10 ACCEPTANCE CRITERIA AND DISPOSITION
11 RECORDS
APPENDIX A
APPENDIX B
APPENDIX C
APPENDIX D
Figures
Defines procedures which may be used to 'prove-up' the depth or size of imperfections.
| Document Type | Standard |
| Status | Current |
| Publisher | American Petroleum Institute |
| ProductNote | Reconfirmed 2015 |
