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  1. Daniel_C

    Welding Non-NACE Attachments to NACE Piping

    Dear all, Thanks for the feedback. It is clear to me now that this is a shot I need to make. Daniel
  2. Daniel_C

    Welding Non-NACE Attachments to NACE Piping

    Dear 0707 and SJones, Understood. Is there any official interpretation or API/EN etc. standard saying that it's ok to do so provided hardness value is maintained below the limit stated in MR0103 (thru PWHT)? I am the project owner in a refinery hoping to salvage the project schedule by avoiding...
  3. Daniel_C

    Welding Non-NACE Attachments to NACE Piping

    Dear all, Is there any standard or recommended practice that clearly states it's acceptable to weld non-NACE attachments (e.g., normal ASTM A1006-B pipe saddles, earthing/bonding lugs made of ASTM A36, etc.) to the external of a A106-B MR0103-compliant pipe? The piping is in sour service; hence...

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