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  • Users: Mecha20
  • Content: Threads
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  1. Mecha20

    "W" Factor (Weld Joint)

    Is it necessary to use the "W" factor in the calculating thickness for pressure piping? Trying to change a pipeline and would like to know the reason for considering this in the calculations. Thanks.
  2. Mecha20

    Corrosion rates

    Good day all, Can anyone give some insight into determining the corrosion rate of a carbon steel pipe? I have minimum thickness readings, nominal thickness, corrosion allowance, piping class, and will like to get the rate of degradation of the pipe. Thanks
  3. Mecha20

    corrosion rate calculation

    Good day all, Can anyone give some insight into determining the corrosion rate of a carbon steel pipe? I have minimum thickness readings, nominal thickness, corrosion allowance, piping class, and will like to get the rate of degradation of the pipe. Thanks.
  4. Mecha20

    NDE

    Good day all, 2 issues - 1. I'm looking for a way to inspect concrete, for eg the posts/piles holding up a reformer. Can anyone assist with an appropriate method or supplier? I know there are the methods to check the rebars etc, but are there any further inspection techniques to determine the...
  5. Mecha20

    Inspection (NDE)- Concrete and Risers

    Good day all, 2 issues - 1. I'm looking for a way to inspect concrete, for eg the posts/piles holding up a reformer. Can anyone assist with an appropriate method or supplier? I know there are the methods to check the rebars etc, but are there any further inspection techniques to determine the...
  6. Mecha20

    Bolting sequence

    Does anyone have a copy of the bolting sequence for a 280 bolt fllange? it's tiresome to manually work out this sequence.
  7. Mecha20

    pressure test using nitrogen

    Can anyone tell me how nitrogen i would need to pressure test a (diameter) 5" pipe, 150ft long. Test pressure 250 psi. Just need a confirmation... Thank you.

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