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Corroded piping collaterally detected

Corroded piping collaterally detected

Corroded piping collaterally detected

(OP)
Dear mates,
Question:

During the evaluation of radiographic welds, the piping base material was observed corroded.
That indication should be evaluated under the provisions of what code.

Any input will be appreciated.

RE: Corroded piping collaterally detected

Depending on the parts which was fabricated under certain Codes, for example, pressure piping under B31.1/31.3 codes, pressure vessel under ASME VIII, tank under API-650, etc. It could be under the visual inspection as required per Code.
Suggest to consult with Material Engineer or perform a failure analysis to understand the root cause.

RE: Corroded piping collaterally detected

If the piping is in operation, and it is desired to keep it in operation, then API 579-1/2 or BS 7910 is a better bet.

Steve Jones
Corrosion Management Consultant

http://www.linkedin.com/pub/8/83b/b04

All answers are personal opinions only and are in no way connected with any employer.

RE: Corroded piping collaterally detected

(OP)
For clarification:

Piping system construction is on going all piping and fittings were expected to be brand new.

RE: Corroded piping collaterally detected

What code are you building the pipe to? That is the answer. Use the acceptance criteria for new pipe, and/or if it refers in the code methodology(s) to assess corrosion (such as ASME B31 or API 579) use this to assess.

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