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Standard CA of Pipe

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Iapyx

Iapyx

Industrial
Joined
Oct 7, 2010
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Is there a standard corrosion allowance for sch160 CS pipe?
 
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While there is no "Standard" CA, commonly used CA in the petrochemical industry for carbon steel pipe is 1/16" for pipe in mildly corrosive service. Greater CA is mandated when greater corrosion rates are well established.

 
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Not being an expert of corrosion or process system, just wanted to say that I've seen quite many times that CA is specified for pipelines in water projects. But I guess it is common practice inherited from many years ago. Nowadays we implement different lining and coating for the pipeline. AWWA M11 (for steel water pipeline) says:
2zprt5t.jpg


I am not sure about the lining and coatings in the process engineering though.
 
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