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  • Users: mrmyagi
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  1. mrmyagi

    Question regarding EN13480-5 Built up pipe end

    Hi, Could you explain what a "built-up pipe end" refers to in EN 13480-5, section 7.3.5? Thanks in advance!
  2. mrmyagi

    Help with interpreting branches in EN 13445-3 annex C stress categorisation

    Hi, I'm a bit unsure about how to interpret the membrane and bending stresses at the crotch region of a nozzle attached to a cylindrical shell, specifically within the context of stress categorisation according to EN 13445-3, Annex C. Could you clarify the correct methodology for combining...
  3. mrmyagi

    What does g1 and g2 represent in EN13445-3 table A-7 figure F4 ?

    Hallo! What does g1 and g2 represent in EN13445-3 table A-7 figure F4 ? Could it have something to do with the throat thickness of the fillet welds? Thanks!
  4. mrmyagi

    EN 13445-3 C.7.5 Limitation of primary stresses in case of tri-axial state of stress

    I am trying to understand the tri-axial stress state in steel welded structures and pressure vessels, etc. When does this phenomena occur - i.e. when should i be cautious doing a stress analysis (in ansys mechanical)? How should i check for this effect in ansys mechanical? EN13445-3 Annex C...
  5. mrmyagi

    minimum recommended pipe thickness B31.3

    Suppose I have a 1'' schedule 80 pipe with a corrosion allowance (CA) of 0.126'', factoring in a 12.5% mill tolerance and using A106GrB, which leaves me with a remaining thickness of 0.0224''. While this thickness is acceptable from a pressure standpoint, I am concerned about the structural...
  6. mrmyagi

    finding the larsson miller curve based on raw data

    Hi all, How do i determine a larson-miller regression line based on raw creep data (time, temp, stress)? The material doesnt exist in the standards. I assume i could do a spline based of the data? I guess what i am looking for is a larson-miller parameter calculator, but i am certain i am...
  7. mrmyagi

    Yield and tensile strength of stainless steel SA-240 304L (S30403) at 900 C for a duration of < 3

    What is the yield and tensile strength of stainless steel SA-240 304L (S30403) at 900 C for a duration of < 3 hours? It is a pressure vessel subjected to a fire.

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