Fundamental Specifications for Steel Construction/Compression

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Flexural Buckling

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Sections Not Subject to Torsional or Torsional-Flexural Buckling

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  • = π2E/(KL/r)2


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  • = flexural buckling stress (ksi, MPa)
  • = elastick buckling stress (ksi, MPa)
  • = specified minimum yield stress (ksi, MPa)
  • = specified minimum tensile strength (ksi, MPa)
  • = gross area of cross section (in2, mm2)
  • = effective net area of cross section, as reduced for holes and/or local buckling effects (in2, mm2)