 |
01. |
Unknown Cause |
|
02. |
Occurrence of Unknown Phenomenon |
|
03. |
Disbonding of ferrite-austenite weld joint under high temperature and high hydrogen pressure |
|
04. |
Insufficient Analysis or Research |
|
05. |
Insufficient Prior Research |
|
06. |
Overconfidence in API 941 |
|
07. |
Usage |
|
08. |
Maintenance/Repair |
|
09. |
Unsuitable Inspection Method |
|
10. |
Failure |
|
11. |
Fracture/Damage |
|
12. |
Disbonding of Ferrite-austenite Weld Joint |
|
13. |
Hydrogen Attack of C-.5Mo Steel |
|
14. |
Failure |
|
15. |
Large-Scale Damage |
|
16. |
Fracture of Reactor |
|
17. |
Partial Fall Down of Desulfurization Plant |
|
|
|
Brittle Fracture of Hydrodesulfurization Reactor during Pressure Test
|
|
