• B31J SIFs causes E801-1: FATAL ERROR

    Hello, Ever since we started using B31J I've been getting E801-1 errors when trying to run the analysis. This has happened more than once unfortunately. I've read the Q&A about E801-1 and it doesn't seem to refer to this issue, other then mentioning…
  • B31.3 2016 stress equations on tees are non-conservative?

    Saw this article that states the formulas for the bending stress in tee's can be non-conservative - does B31J need to used instead? Did the formulas change from 2014-2018? http://www.whatispiping.com/asme-b31-3-issue (pasted below) About Author…
  • Fitting dimensions to use with ASME B31J?

    I'm looking for at least nominal values for welding tee crotch thickness and crotch radius, along with reducer alpha angle and flat length for use in calculating SIF's per ASME B31J. Does anyone have a reference that provides these values? I'm looking…