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IF INDICATIONS ARE FOUND IN THE PARTITION STUB RUNNER-TO-TUBESHEET WELD DURING THE ULTRASONIC TEST OF THE CLADDING FOR BOND INTEGRITY THE FOLLOWING UT ACCEPTANCE STANDARDS APPLY TO THE PARTITION STUB RUNNER-TO-TUBESHEET WELD:
1) INDICATIONS FOUND IN THE REGION MEASURED FROM THE CENTER OF THE TUBESHEET EXTENDING FROM A RADIUS 0.0 OUT TO A RADIUS
OF 1270.0 [50.0] BOTH AT THE SURFACE AND EMBEDDED EXCEEDING A WIDTH THROUGH THE THICKNESS OF THE STUB RUNNER EQUAL TO
1.27 [0.050] AND INTERPRETED TO BE CRACKS LACK OF FUSION OR INCOMPLETE PENETRATION SHALL BE REPAIRED.
2) INDICATIONS FOUND IN THE REGION MEASURED FROM THE CENTER OF THE TUBESHEET EXTENDING FROM A RADIUS 1270.0 [50.0] OUT TO A
RADIUS OF 1925.8 [75.82] EXCEEDING A LENGTH AS SHOWN BELOW OR EXCEEDING A WIDTH THROUGH THE THICKNESS OF THE STUB RUNNER
CORRESPONDING TO TABULAR VALUES SHOWN BELOW AND INTERPRETED TO BE CRACKS LACK OF FUSION OR INCOMPLETE PENETRATION
SHALL BE REPAIRED.
不胜感激 |
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发表于 2008-8-27 20:08:46