Rectangular and square HSS

HSS24X12X5/16 HSS609.6X304.8X7.9

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 = 12d = 24tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
12in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
74.38lb/ft
Cross-sectional areaA
20.4in²

Strong axis x–x

Moment of inertiaIx
1,570in⁴
Elastic section modulusSx
131in³
Plastic section modulusZx
160in³
Radius of gyrationrx
8.78in

Weak axis y–y

Moment of inertiaIy
543in⁴
Elastic section modulusSy
90.6in³
Plastic section modulusZy
99.4in³
Radius of gyrationry
5.16in

Torsion and stability

Torsional constantJ
1,280in⁴
Torsional modulusC
161in³

Slenderness ratios

Wall slendernessb/t
38.2
Wall slendernessh/t
79.5

Equivalents in other standards