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  1. ahassan86

    Ferrite Number of Stainless Steels

    Dear Experts How often should I perform Ferrite Test on Autenitic or Duplex STSTs (Test Frequency)? Should I perform it with every new consumables batch? Should I perform it periodically regardless of any changes? And what are the preferred ranges in terms of FN for both Auten. and DSS? Thanks
  2. ahassan86

    TIE-INs Method Statement

    I have a preliminary proposal: 1- UT Thickness readings at Tie-In points. 2- Preparing all required equipment prior to shutdown 3- Hot Bolting before shutdown 4- Fabricating pipe spools at workshop acc. to DWGs, P&IDs, ISO. 5- Welding at workshop 6- NDT and Hyrdo-Test at workshop 7- Spools...
  3. ahassan86

    TIE-INs Method Statement

    Guys.. Thank you so much for your help I have all the data that I need.. now I'm preparing the Method Statement. 1- Scope 2- Equipment 3- References 4- Personnel Qualification 5- Responsibilities 6- Procedure "Step by Step" 7- Safety 8- Attachments "WPSs" I'm stuck at "6-Procedure" because...
  4. ahassan86

    TIE-INs Method Statement

    To Piping Experts: I'm new to piping industry, and I would like to learn about Tie-ins between new and existing piping system. How would you suggest a method statement for Tie-ins, both cold and hot tapping starting from spools fabrication at work shop all the way to hydrostatic pressure test...
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