Rectangular and square HSS

HSS24X20X5/16 HSS609.6X508X7.9

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyb = 20d = 24tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
20in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
91.39lb/ft
Cross-sectional areaA
25.1in²

Strong axis x–x

Moment of inertiaIx
2,230in⁴
Elastic section modulusSx
186in³
Plastic section modulusZx
215in³
Radius of gyrationrx
9.43in

Weak axis y–y

Moment of inertiaIy
1,690in⁴
Elastic section modulusSy
169in³
Plastic section modulusZy
190in³
Radius of gyrationry
8.21in

Torsion and stability

Torsional constantJ
2,950in⁴
Torsional modulusC
272in³

Slenderness ratios

Wall slendernessb/t
65.7
Wall slendernessh/t
79.5

Equivalents in other standards