Steel Column Calculator

Calculate steel column capacity using AISC allowable stress design for W-shapes

Input Parameters

Results

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KL/r Ratio
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Allowable Stress
ksi
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Column Capacity
kips

Reference

Cc = √(2π²E/Fy) KL/r < Cc: Fa = Fy[1-(KL/r)²/2Cc²] / FS KL/r > Cc: Fa = 12π²E/(23(KL/r)²)