Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

Register Log in
  • Congratulations IDS on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. BBQ Engineer

    B31 Thermal / Displacement Stress Range 20 ksi allowable cap / 0.72 SMYS origins

    @ LittleInch Thanks for the response! Yeah... I figured it was some variation of 0.8 x 0.9, but was this just based off of typical design and test parameters / factors? So would it be fair to say the 0.72 SMYS rule was not based off of any sort of fatigue testing / rule or sorts?
  2. BBQ Engineer

    B31 Thermal / Displacement Stress Range 20 ksi allowable cap / 0.72 SMYS origins

    Hello Everyone, I was wondering if anyone was aware of the origins of the 20 ksi cap found in B31.3's displacement stress range calculation for hot and cold allowables. I know the stress range formula was based off of Markl's work in the 50's, however I never came across the 20 ksi...

Part and Inventory Search

Back
Top Bottom