Rectangular and square HSS

HSS24X20X1/2 HSS609.6X508X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
20in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
144.1lb/ft
Cross-sectional areaA
39.5in²

Strong axis x–x

Moment of inertiaIx
3,450in⁴
Elastic section modulusSx
287in³
Plastic section modulusZx
336in³
Radius of gyrationrx
9.34in

Weak axis y–y

Moment of inertiaIy
2,610in⁴
Elastic section modulusSy
261in³
Plastic section modulusZy
297in³
Radius of gyrationry
8.13in

Torsion and stability

Torsional constantJ
4,620in⁴
Torsional modulusC
427in³

Slenderness ratios

Wall slendernessb/t
40
Wall slendernessh/t
48.6

Equivalents in other standards