FormulasFormulas: round HSSPDF page 470 · AISC 360-22Formula 1 For a thin round section with radius RRR and thickness t,I=πR3t,Q=2R2tt, I=\pi R^{3} t, Q=2 R^{2} tt,I=πR3t,Q=2R2t, and b=2tb=2 tb=2t. t,I=πR3t,Q=2R2tt, I=\pi R^{3} t, Q=2 R^{2} tt,I=πR3t,Q=2R2t Formula 2 b=2tb=2 tb=2t Found in ROUND HSS Formulas: single angles and teesPrevious PageFormulas: doubly symmetric and singly symmetric members subjected to minor-axis shearNext Page