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  1. Inspectoriam

    MIG weld for impact test @ -50 F

    I must ask what are you building? Or better, why is the use of GMAW and ER70S-6 required? SMAW and SAW processes both offer -50 electrodes verified by the manufacture. You could weld up a coupon and have it tested at -50 but that is one test, Lincoln and the others do not rate their prodcuts...
  2. Inspectoriam

    F-Number and A-Number

    ASME is no longer using the S symbol for API materials.
  3. Inspectoriam

    API-510 repair in non-code State, how to validate code repair?

    As an Owner/User you can follow API 510 and repair the vessel without the use of a NB-23 shop and inspector. You will not be able to add the "R" stamp unless you use a National Board location and AI.
  4. Inspectoriam

    What is the Pipe wall Thick that require to start using PWHT

    1 1/4" is the thickness requireing PWHT within ASME B31.8 Gathering systems, this is the same as ASME B31.4
  5. Inspectoriam

    Base Line Pipe data

    API 570 Section 7.1.2 Newly Installed Piping Systems or Changes in Service, lists 3 methods. a) A corrosion rate for a piping circuit may be calculated from data collected by the owner/user on piping systems of simular material and service. b) If data for the same or simular service are not...
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