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Example calculation

Maximum permissible longitudinal compressive stress for tubes

according to EN 13445-3 § 13.9

Input data

  Tube outer diameter dt   mm
  Tube wall thickness et   mm
  Tube length L    mm
  Baffle-tubesheet distance l2   mm
  Baffle-baffle distance l3   mm
  Shell-side pressure Ps   bar
  Tube-side pressure Pt   bar
  Design temperature Td   °C
  Elasticity modulus Et   MPa
  Yield strength Rp0.2/t   MPa


  Maximum buckling force Ft,bk   kN
  Maximum allowable stress ft,bk   MPa
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