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  1. jaminn1

    Thickness of Torispherical Head

    Thanks pdiculous963. That could be the mistake I am making. Data report shows the joint efficiency for type 1 (long) @ 70% and type 2 (Girth)@ 85%, but could it be only for the shell? not sure what kind of radiography was done for the head . please see attached.
  2. jaminn1

    Thickness of Torispherical Head

    Hi, I am working with a vessel having torispherical top head. the vessel has some thinning in the head and when I went to calculate the MAWP it came out very low. in fact the original thickness from data report according to my calculations are not meeting the design MAWP. we operate the vessel...
  3. jaminn1

    1977 vessel

    Hello, I am working on a 1977 vessel, which has some corrosion on the bottom and top 2:1 semi-elliptical heads. UT survey shows corrosion in a band below the weld on bottom head. The questions are as follows: 1) the head material is SA-455A, section II I have has stress value for SA-455 but not...

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