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Example calculation

Design of Cylindrical Shells under External Pressure

according to 2015 ASME BPVC VIII-2 § 4.4 or Code Case 2286

This calculation is only a simplified estimation, and does not replace a detailed design calculation.

Input data

  Outside diameter   Do mm
  Shell thickness   t mm
  Unstiffened section length   L mm
  Modulus of elasticity   Ey MPa
  Ultimate tensile strength   σuts MPa
  Yield strength   σys MPa
  Material as per Table 4.4.1  
  Material as per Table 3-D.1  


  Allowable external pressure   pmax  bar
  Allowable metal temperature   Tmax °C
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