An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
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Immediate Integrity – Circumferential Dimensions<br />
Peak Depth (%wt)<br />
100<br />
90<br />
80<br />
70<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
0 5 10 15 20 25 30 35 40<br />
Circumferential Length (inches)<br />
Kastner @ Assessment Pressure (34% SMYS, 58.6 bar)<br />
Kastner @ Assessment Pressure x 1.39 (48% SMYS, 81.5 bar)<br />
External <strong>Corrosion</strong> Features<br />
Features Reported as Repaired in ROSOFT<br />
• 4 external corrosion features were found <strong>to</strong> be unacceptable<br />
• These were also found <strong>to</strong> be unacceptable in terms of their<br />
axial <strong>and</strong> depth dimensions (with <strong>to</strong>lerances).
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