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  1. Pascal van Bon

    PWHT of T-branch

    No, dont have an older edition. Did find the item in the B31.3-2016 artikel 331.2.6. '...and shall extend completely around the run pipe.
  2. Pascal van Bon

    PWHT of T-branch

    Just received a message that the percentage rule has been deleted in the 2016 verion. Thanks for any effort
  3. Pascal van Bon

    PWHT of T-branch

    Gaat erom bij welk percentage we alleen het lasgebied moeten gloeien en wanneer de gehele omtrek van de pijp.
  4. Pascal van Bon

    PWHT of T-branch

    ASME B31.3.2016
  5. Pascal van Bon

    PWHT of T-branch

    Can anybody help me on this?? We have this HP steam line on which we have to make an extra connection. Materialwise we need to do PWHT. Now i know there is some regulation about the percentage of circumference which states if you only need to do the PWHT only locally on the weld and HAZ, or the...

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