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  1. shopper1732

    SA - 387 Gr 11 Properties

    Is there a web link where I can find the various coefficients of expansion thru a range of teperatures for SA - 387 Grade 11? Thanks Abi
  2. shopper1732

    Center of Gravity

    Say you have an extremely complex system; many major runs, many complex branches. You want to determine the CG of several portins of the piping. You could create a (new name) file with all other portions of the system deleted; add an anchor somewhere, do a batch run, then look at location of...
  3. shopper1732

    Normal Windows Programs have a "Save As" command

    Where is it on Caesar???????? Suppose you have an input as a Word file, and you want to make a few changes, and save it as a separate file, or put that new file in a different folder. It is easy to do. How to easily do the same thing with CII, ver 5 (patched)? Why doesn't Caesar have a...
  4. shopper1732

    Ordering High to Low Stresses

    For Ver. 5.0, any load case, using the Static Output Processor; How can you arrange the output of stresses to display an order of Highest stress down to Lowest stress vs. Node Numbers?
  5. shopper1732

    Seismic - Entering Acceleration Values

    Nine Entry Windows - Vectors 1,2,3 and Gx,y,z In order to achieve correct results: Is it necessary to enter either values or zeroes in all nine windows, or can 'zero' entries be left blank?
  6. shopper1732

    Traditional x,y,z axes orientation to North/South/East/West

    Given that positive Y usually points up skyward in various packaged engineering programs, then what is the usual orientation of X and Z relative to 'Plant' North?
  7. shopper1732

    Costs / Bogey Numbers

    We have a plethora of small steel weldments, ie: knee braces, usually 3x 3x 3/8 x 4 foot overhang Short pipe stands with end 1/4" plates, 4'WF usually 4 ft high 6 ft sq low level platform step-ups about 21" high All are C.S. and primed / gray spray epoxy Need is to rough cost for domestic...
  8. shopper1732

    explain meaning

    Please explain the meaning of the phrase "to jeep a pipeline"
  9. shopper1732

    Toe Kick

    Does OSHA require a Vertical Toe Plate all around edge of any/all walking /standing platforms, no matter the platform area or height off grade? Are there exceptions, i.e. say you have a four footspanthat sits on grade and merely crosses a shallow ditch ... would it still be required in such a...
  10. shopper1732

    API 5L

    There are so many organizations with their own pipe specifications. What is special about API 5L various grades. In Grades A nab B, it has same yield as ASTM A53, A106, so why use the API? In grade X42, it is only 2,000 psi better than A106 Gr C, and it is matched in yield by most of the ASTM...
  11. shopper1732

    B31.4 - Max Pressure Allowable vs. 12.5% Wall reduction

    I have an electronic copy of B31.4 and am going blind trying to confirm that Maximum Pressure Allowable per the Barlow Formula is based on pipe with a maximum wall thickness of 87.5% of nominal wall because of manufacturing tolerance of -12.5%. I am looking for a paragraph that says that after...
  12. shopper1732

    What is a "stinger"?

    Is it used for instrumentation in helium service? What does such an item do?
  13. shopper1732

    Is there a written synopsis of the MAJOR differences in the B31 codes

    Many pages of each code address the same subject matter with only minor differences between them, e.g. stress allowables for various materials as a function of temperature. But is there a general written reference / synopsis which addresses the MAJOR differences between say process, power, gas...
  14. shopper1732

    Slip-On welded to a reducer?

    I am looking at a drawing which shows a RFSO welded to the small end of a concentric reducer. I do not think such a thing can be done with ASME reducers, or any other standard reducer. What is needed is a Weld-Neck. Is there something I am missing here?
  15. shopper1732

    Pressure Vessel vs Pipe

    When does a Pressure Vessel become a Pipe and vice-versa? Is there a minimum diameter for a Pressure Vessel?
  16. shopper1732

    Minimum Skirt Thickness et al

    It is my belief that, per code, skirts on vertical pressure vessels must have a minimum thickness equal to the vessel wall. True? Also, that unless thicker than vessel wall, OD of skirt must match OD of vessel. True?
  17. shopper1732

    Centrifugal Gas Compress Volute/Casing Temperature

    For centrifugal compressor, say that Inlet is 150 degF at 20psig and Outlet is 500 degF at 40 psig, I would expect that the Volute temperature would be at least equal to the outlet temperature of the gas. Probably higher due to efficiency / frictional etc. losses. Excluding other losses in the...

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