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  1. bupunsu

    NDT after Heat Treatment

    Metengr; Quote from your thread "..The sequence of NDT either before or after PWHT is only identified in B31.3 for base materials P-3, P-4 and P-5A..." need rectified. Not only for base materials P-2, P-4 & P-5A..Heat treatment requirement as per table 311.11 (B31.3).. I wonder that the weld...
  2. bupunsu

    NDT after Heat Treatment

    Dear All.. Since Heat Treatment (on HAZ) will affect metalurgical of base metals wich (at the end) caused welds imperfections.. So I do believe that NDT (radiographic) shall take place following Heat Treatment (PWHT).. Could you give me the code/std which align with my thinking (NDT required...
  3. bupunsu

    Steam Pipelines

    Members... Thanks for your reply... Its very helpful and enlight me..
  4. bupunsu

    Steam Pipelines

    At present time, my company intent to distribute/utilized the steam which generate from Co-Gen Plant to several facilities.. The Steam pipelines app.length is 20 km. Need your advise regarding the piping code should be applied/refered.. B31.4 ??? or B31.8 ??? or B31.1 ??? or else ???

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