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  • Users: EJWhite
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  1. EJWhite

    P91 pipe welded to SA-516-70 ASME Pressure Vessel

    I'm having an issue installing a P91 pipe into a SA-516-70 Pressure vessel. It seems I have to transition from P91 to P22 and then to SA-516-70. With that said, I'm assuming I have to place a P22 sleeve around the P91 pipe prior to installing it into the tank. Is anyone familiar with this...
  2. EJWhite

    Chrome Molly to Carbon Steel Welding

    Welding a P-11 pipe to a P-1 tank do I need to Post Weld Heat Treat the weld or is there a thickness or preheat loop hole in ASME Section IX? Tank is 3/8" nominal SA-516-70 material. Pipe is SA-335-P11. I can also change from P-11 to P-22 or P-5.

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