An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...

Immediate Integrity – Manufacturing / Weld Anomalies
Peak Depth (%wt)
100
90
80
70
60
50
40
30
20
10
0
0 1 2 3 4 5 6
Axial Length (inches)
Shannon @ Assessment Pressure (68% SMYS, 58.6 bar)
Shannon @ Assessment Pressure x 1.39 (95% SMYS, 81.5 bar)
Manufacturing/weld Anomalies
Peak Depth (%wt)
100
90
80
70
60
50
40
30
20
10
• All of the
manufacturing /
weld anomalies
were found to be
acceptable
0
0 1 2 3 4 5 6
Circumferential Length (inches)
Kastner @ Assessment Pressure (34% SMYS, 58.6 bar)
Kastner @ Assessment Pressure x 1.39 (48% SMYS, 81.5 bar)
Manufacturing/weld Anomalies