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BS 4331-3:1974

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods for assessing the performance characteristics of ultrasonic flaw detection equipment Guidance on the in-service monitoring of probes (excluding immersion probes)
Available format(s)

Hardcopy , PDF

Superseded date

15-07-2001

Language(s)

English

Published date

31-12-1974

Publisher

British Standards Institution

Cooperating organizations
Foreword
Guide
1. Scope
2. References
3. Range of tests
4. Probe index
5. Beam angle
6. Beam profile
7. Dominant frequency
8. Pulse length
9. Dead zone
10. Near field
11. Signal-to-noise ratio
12. Overall system gain
13. Beam alignment (squint)
14. Resolving power (depth)
15. Resolving power (angular)
16. Frequency of checking
17. Actions after checking
Appendices
A. Recommended checking procedures
B. Text deleted
C. Control of ambient temperature
Figures
1. A2 calibration block
2. A4 block
3. Calculation of beam angle (alternative to visual
     estimation)
4. Block for checking beam angle: different test ranges
5. Principle for plotting beam profile (compressional
     waves)
6. 'Welding Institute' block for checking beam profile
     and resolution (depth)(A5 block)
7. Dominant frequency checking
8. Examples of traces for probes having nominal
     frequency of (a) 2.5 MHz and (b) 4 MHz
9. Checking of shear wave probe using block shown in
     figure 7
10. Measurement of pulse length (diagrammatic)
11. Block for checking dead zone (A6 block)
12. Examples of traces using block shown in figure 11
13. Block for near field checks: miniature probes
14. Block for near field checks: shear wave probes
15. Signal-to-noise ratio
16. Check of overall system gain
17. Beam alignment (squint): shear wave probes
18. Beam alignment (squint): shear wave probes
     (alternative)
19. Angle of squint: visual check
20. Screen traces showing full and partial resolution
21. Block for checking resolving power (depth)(A6 block)
22. Alternative block for checking resolving power
     (depth)
23. Block for checking resolving power (dpeth): shear
     wave probes (A7 block)
24. Resolving power (angular)
25. Resolving power (angular): shear wave probes
26. Beam profile: beam edge technique: compressional
     wave probes
27. Beam profile: beam edge technique: shear wave
     probes
28. Beam alignment: compressional wave probes
29. Text deleted

Guidance for monitoring parameters of probes which most strongly influence integrity of flaw detection and assessment, particularly nature of sound field and degree of signal resolution. Applies to compressional wave and shear wave probes used in contact or gap scanning on essentially flat surfaces.

Committee
WEE/46
DocumentType
Standard
Pages
42
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

ESI 98-8 : ISSUE 1 ULTRASONIC PROBES: LOW FREQUENCY SINGLE CRYSTAL SHEAR WAVE ANGLE PROBES
BS 6208:1982 Methods for ultrasonic testing and for specifying quality levels of ferritic steel castings
BS M 42:1972 Methods for non-destructive testing of fusion and resistance welds in thin gauge materials
BS 7706:1993 Guide to calibration and setting-up of the ultrasonic time of flight diffraction (TOFD) technique for the detection, location and sizing of flaws
DEFSTAN 02-729(PT5)/1(2000) : 2000 REQUIREMENTS FOR NON-DESTRUCTIVE EXAMINATION METHODS - PART 5: ULTRASONIC
DEFSTAN 05-65(PT2)/1(1993) : 1993 NON-DESTRUCTIVE TESTING - PART 2: ULTRASONIC INSPECTION
ENA TS 98-2 : ISSUE 1 1979 ULTRASONIC PROBES: MEDIUM FREQUENCY, MINIATURE SHEAR WAVE, ANGLE PROBES
ENA TS 98-7 : ISSUE 1 1982 ULTRASONIC PROBES: NORMAL (0 DEGREES) COMPRESSION WAVE PROBES FOR CONTACT TESTING
ENA TS 98-12 : ISSUE 1 1989 CALIBRATION AND ROUTINE PERFORMANCE CHECKS OF ULTRASONIC NDT EQUIPMENT
ESI 98-12 : ISSUE 1 CALIBRATION AND ROUTINE PERFORMANCE CHECKS OF ULTRASONIC NDT EQUIPMENT
BS 6129-1:1981 Code of practice for the selection and application of bellows expansion joints for use in pressure systems. Metallic bellows expansion joints
ESI 98-2 : ISSUE 1 ULTRASONIC PROBES: MEDIUM FREQUENCY, MINIATURE SHEAR WAVE, ANGLE PROBES
BS 4124:1991 Methods for ultrasonic detection of imperfections in steel forgings
BS 3923-1:1986 Methods for ultrasonic examination of welds Methods for manual examination of fusion welds in ferritic steels
BS 2704:1978 Specification for calibration blocks for use in ultrasonic flaw detection
BS 5996:1993 Specification for acceptance levels for internal imperfections in steel plate, strip and wide flats, based on ultrasonic testing
BS 4331-1:1978 Methods for assessing the performance characteristics of ultrasonic flaw detection equipment Overall performance: on-site methods
ENA TS 98-8 : ISSUE 1 1982 ULTRASONIC PROBES: LOW FREQUENCY SINGLE CRYSTAL SHEAR WAVE ANGLE PROBES
BS DD174(1988) : 1988 GUIDE TO THE CALIBRATION AND SETTING UP OF THE ULTRASONIC TIME OF FLIGHT DIFFRACTION (TOFD) TECHNIQUE FOR THE LOCATION AND SIZING OF FLAWS
BS 5996:1980 Methods for ultrasonic testing and specifying quality grades of ferritic steel plate
BS 4124:1987 Methods for ultrasonic detection of imperfections in steel forgings
ESI 98-7 : ISSUE 1 ULTRASONIC PROBES: NORMAL (0 DEGREES) COMPRESSION WAVE PROBES FOR CONTACT TESTING

BS 4331-2:1972 Methods for assessing the performance characteristics of ultrasonic flaw detection equipment Electrical performance

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PDF - English
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