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Recent content by fedeghi

  1. fedeghi

    ASME ligaments calculation for arrayed pipes

    I have tried to look for some tips about this specific problem, but my doubts are still there. So, here it is... In attachment I'm posting the geometry of a pipe array that will work as a steam heat-exchanger in an atmospheric melting tank. The pipe arrays are made up of an upper and lower...
  2. fedeghi

    Urgent TIP on torispherical head to be transported into two halves

    I'm afraid that we will have to proceed with cutting anyway. But what about the deformation after cutting?
  3. fedeghi

    Urgent TIP on torispherical head to be transported into two halves

    I have a question that's puzzling me this evening, and any hint would be really appreciated. I am dealing with a torispherical head that has to be delivered into two halves, for transport issues. In attachment you can see the geometry, and consider that it will be manufactured from plate, A516...
  4. fedeghi

    Cirsoc 102 vs. ASCE-7 wind load. Static pressure comparison

    Talking about Cirsoc 102, Argentina design wind code: I have to design a steel stack, and I'd like to translate the Cirsoc static pressure into an ASCE-07 equivalent, in order to adopt ASME-STS-2000, but it seems to me that something is not working. As far as you know, is Cirsoc more...
  5. fedeghi

    EXTREME FIBER ELONGATION

    How would you specify a hot forming of an helliptical head (let's to request the supply a dia=1000 thk=22 head). Is there a norm to be recalled, in order to be sure that the heat treatment is applicable and coherent with my application? Thanks!
  6. fedeghi

    Lubrite and alternative self-lubricated pad materials

    TomBarsh, I'm afraid that Teflon might suffer viscous deformation if the temperature rises above 400 °F. I need a material that can resist up to 400 °C.
  7. fedeghi

    Belarus pipe dimensions

    Hi there, here I am with another question. Our Belarus client has sent us his piping dimension, stating that this is what he finds easily on local market. Now, I have checked briefly and I can't match his outer diameters neither with EN standards, nor with ANSI/ASME. I have also checked JIS...
  8. fedeghi

    A36 normalized steel ?

    Stanweld, I agree with your suggestion: we are actually using Sa-516 Gr70 for each "plate-shaped" details, such as shell courses and bended profiles. The problem is that some reinforcing external profiles (L shaped, C shaped and IPE profile) should be bended and welded on-site, because some big...
  9. fedeghi

    Lubrite and alternative self-lubricated pad materials

    I'm looking for an alternative material to be used instead of Lubrite self-lubricated bearings. Infact, it looks like that this "lubrite" material is not easy to be found and purchased... What would you suggest to use, if you had to find a flat pad suitable for T=400°C , with a vertical load of...
  10. fedeghi

    A36 normalized steel ?

    Hi there, this is my first post here! I have been digging in the search results for a while, but I could not find what I'm looking for, so here I am. I'm dealing with MDMT issues, and so I have to find the exact reference on ASTM standard, stating that A36 can (or cannot?) be normalized. On...
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