Rectangular and square HSS

HSS24X18X1/2 HSS609.6X457.2X12.7

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 = 18d = 24tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
18in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
137.3lb/ft
Cross-sectional areaA
37.6in²

Strong axis x–x

Moment of inertiaIx
3,190in⁴
Elastic section modulusSx
266in³
Plastic section modulusZx
314in³
Radius of gyrationrx
9.21in

Weak axis y–y

Moment of inertiaIy
2,060in⁴
Elastic section modulusSy
229in³
Plastic section modulusZy
258in³
Radius of gyrationry
7.39in

Torsion and stability

Torsional constantJ
3,910in⁴
Torsional modulusC
383in³

Slenderness ratios

Wall slendernessb/t
35.7
Wall slendernessh/t
48.6

Equivalents in other standards