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  1. Canadieng

    1954 ASME Sec. VIII Div. I Stress Values

    The 1952/54a ASME Section VIII Unfired Pressure Vessel Code (technically not Div 1 because it was, in fact the only "Division" at the time) listed A285 Gr. C to have an allowable stress from -20 to 650 F as 13750 psi.
  2. Canadieng

    Re-Using Gaskets

    I will elaborate, as the particulars appear in the 2010 edition and were not in the 2000 ed: " ... Reuse of a gasket is generally not recommended. One current exception is large, grooved metal gaskets with facing layers (see Appendix C) that are reused in some instances after having been...
  3. Canadieng

    Re-Using Gaskets

    Formal recommendations against reusing gaskets can be found in ASME PCC-1, chapter 6
  4. Canadieng

    Theta what ??

    See Figure 4.3.7; Page 4-77
  5. Canadieng

    Low Cost/Free Engineering Tools

    DoubleCAD XT is a very good alternative to AutoCAD LT. Only 2D, though. http://www.doublecad.com/Products/DoubleCADXTv3/tabid/1100/Default.aspx
  6. Canadieng

    NFPA 85/B31.1 veiws on npt pipe adapters, bushings, unions - oil pipe

    Regarding B31.1 - Have a look at Table 126.1, which allows ASME B16.11 fittings, which includes threaded couplings, bushings, ...
  7. Canadieng

    buckling of horizontally mounted column

    I suggest not brushing off the ISO 13725 Tech spec. The analysis has been done already: This Technical Specification specifies a method for the determination of buckling load which - takes into account the complete geometry of the fluid power cylinder, meaning it does not treat the fluid...
  8. Canadieng

    buckling of horizontally mounted column

    I haven't been closely following this thread, but maybe this will help. Have a look into: ISO/TS 13725:2001 Hydraulic fluid power -- Cylinders -- Method for determining the buckling load...
  9. Canadieng

    Specific Modern Flange Design Question

    For what it is worth: In Structural Analysis and Design of Process Equipment - 2nd Ed - Jawad and Farr: On page 312, there is a worked out example of the same calculation sheet, with different numbers. There H'Gy = 443,496 & Wm2 = 619,186 Without looking at it more, this would imply that the...
  10. Canadieng

    Forces Diff Btw KELLOGG, GRINNELL, and Cantilever ??

    The simplified hand methods (ie, Kellogg, Grinnel, ...) all use differeing assumptions and estimations and are all just approximations. See the attached graph outlining differing results taken from "Introduction to Pipe Stress Analysis" - Sam...
  11. Canadieng

    Why does poissons ratio affect press fit force?

    Slightly offtopic, but interesting trivia nonetheless: Expanding on Compositepro's observations: One of the big reasons why cork is so useful in making stoppers for wine bottles is that it has, essentially, a Poisson's ratio of zero. That is, when the cork gets squeezed into the bottle, there...
  12. Canadieng

    higher strength materials for pressure vessels in ASME B31.3

    I am in Edmonton, and I believe your colleague is confused, unless there is more to the story - if this fitting is really as simple as you imply, you can use higher allowable strength materials for Category H fittings. I deal with ABSA quite a bit.
  13. Canadieng

    higher strength materials for pressure vessels in ASME B31.3

    Also see, for Ontario: http://www.tssa.org/CorpLibrary/ArticleFile.asp?Instance=136&ID=E121CECFBC82487D86D12B0EC41F9820
  14. Canadieng

    higher strength materials for pressure vessels in ASME B31.3

    Kristjan Where abouts are you located? For this application it would be most appropriate to talk directly with your jurisdiction/AI. For example, here are some newsletter discussions Ontario: http://www.deltathx.com/uploadsDocs/Understanding%20heat%20exchangers.pdf Alberta (page 4)...
  15. Canadieng

    ASME seminar

    CASTI offers Section IX training (along with others) - typically only presented in Alberta though. http://www.casti.ca/
  16. Canadieng

    NSPH questions....

    Here is another good book (completely legal) http://www.pumpfundamentals.com/pump_book.htm
  17. Canadieng

    Testing Pad eyes

    ASME BTH-1 (Below The Hook): http://www.techstreet.com/standards/ASME/BTH_1_2008?product_id=1608005 Covers the design of Lifting Lugs/Pad-eyes/Pin-connected Plates
  18. Canadieng

    Silo Design

    Let me know if it has what you are looking.
  19. Canadieng

    Silo Design

    If you can obtain a copy: Design of Steel Bins for Storage of Bulk Solids; Gaylord Is a very practical reference. Alternatives, which are still pretty good: Useful Information on the Design of Steel Bins and Silos; AISI (John R. Buzek) Guide for the Economic Design of Circular Metal Silos...
  20. Canadieng

    Pre 1978 Section II Part D

    You could try the National Board: http://www.nationalboard.org/default.aspx or the Linda Hall Library: http://www.lindahall.org/services/document_delivery/index.shtml

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