Rare corrosion failure of a 90/10 copper nickel firewater pipe
Conference
·
OSTI ID:109938
- Saudi Arabian Oil Company, Abqaiq (Saudi Arabia)
Failure of a copper nickel firewater pipe occurred due to external exposure to a seawater and sodium hypochlorite solution over an extended period. Sodium hypochlorite was injected into an offshore firewater system to enhance internal corrosion resistance and inhibit marine growth. A flange leak released the protected seawater solution onto the exterior surface on the firewater pipe. This exposure caused a chemical corrosion phenomenon to occur, which weaken the pipe. During an annual fire pump flow test for the subject platform, the firewater pipe ruptured due to the corrosion effects.
- OSTI ID:
- 109938
- Report Number(s):
- CONF-950304--
- Country of Publication:
- United States
- Language:
- English
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