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01. |
Ignorance |
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02. |
Insufficient Knowledge |
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03. |
No Consideration about Erosion Property of Raw Material |
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04. |
Organizational Problems |
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05. |
Poor Staff |
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06. |
Poor Experiment of Staff |
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07. |
Hydrogen Reduction Reaction |
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08. |
Planning and Design |
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09. |
Design Misuse |
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10. |
Mal Material Selection |
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11. |
Production |
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12. |
Hardware Production |
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13. |
Piping Construction |
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14. |
Usage |
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15. |
Maintenance/Repair |
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16. |
Inspecton |
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17. |
Regular Operation |
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18. |
Erroneous Operation |
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19. |
Valve was not Closed Tightly |
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20. |
Failure |
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21. |
Fracture/Damage |
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22. |
Crack |
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23. |
Secondary Damage |
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24. |
External Damage |
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25. |
Explosion |
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![](../dfen/DC1000025.jpg)
Leakage and explosion of hydrogen caused by using SUS304 in a chloride atmosphere and poor welding at a hydrogenated reduction plant.
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Knowledge Comment: |
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Cracks of stsinless steel pipes was caused from a mis-selection of material and poor welding. |
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