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  1. o_grid

    PWHT technical resources (course / notes)

    Thomas Eagar (prof @ mit) has a good youtube channel with all kinds of shit, including welding engineering. Whole courses. Here's one on welding engineering: https://www.youtube.com/watch?v=TCmd_zoXkK8&list=PLCgPBt05jaJ5GMZ2imX7ABClhg6qMMZK1 Other ideas: Do you have access to any ASME boiler &...
  2. o_grid

    repair crack

    this reads like you copy/pasted an email you wrote that the welding engineer in your company ignored. there's zero info here, dude
  3. o_grid

    FCAW issues - cracks

    There's a few things that come to mind, but the biggest one is welder skill. First off, I hate FCAW for root passes, even if you have a backing plate. That alone raises some eyebrows. Have you gone and audited the welding? Like actually looked at them doing their work? You mentioned problems...
  4. o_grid

    Welding of ASTM A197 to Carbon Steel Pipe

    You're going to have a hell of a time welding anything to that cast iron. It would require pre-heat, peening, or special filler metal. Even then, you're liable to encounter cracking issues. I'd avoid this unless it's 100% necessary. It's possible, but not simple.

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