Maximum pressure for a steel pipe

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SUMMARY

The discussion centers on calculating the failure point of a steel pipe with an outer diameter of 1500mm and a wall thickness of 6mm under a vacuum of 3000 Pa. Participants confirm that this scenario pertains to pressure vessel calculations, specifically referencing Roark's formulas for stress analysis. It is established that 3000 Pa, equivalent to approximately 0.44 psi, is a negligible pressure for the specified pipe dimensions, indicating that failure is unlikely under these conditions.

PREREQUISITES
  • Understanding of pressure vessel design principles
  • Familiarity with Roark's formulas for stress analysis
  • Knowledge of material properties of steel
  • Basic concepts of vacuum pressure effects
NEXT STEPS
  • Study Roark's Formulas for Stress and Strain
  • Learn about pressure vessel design codes and standards
  • Research material failure criteria for steel under vacuum conditions
  • Explore advanced calculations for pressure vessel integrity
USEFUL FOR

Mechanical engineers, structural engineers, and students studying pressure vessel design and analysis will benefit from this discussion.

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I need to calculate whether a steel pipe above the ground, 1500mm OD and 6mm wall thickness, will fail under a vacuum of 3000 Pa. How would I go about doing this?
 
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Sounds suspiciously like a homework question to me.

This is a pressure vessel. How do calculate stress in a pressure vessel? What assumption can we make from those dimensions given?
 
Roark's!

But double check your numbers. 3000 Pa is only about 0.44 psi, a trivial pressure for such a pipe.
 

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