Rectangular and square HSS

HSS24X20X3/8 HSS609.6X508X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
20in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
109.2lb/ft
Cross-sectional areaA
29.9in²

Strong axis x–x

Moment of inertiaIx
2,640in⁴
Elastic section modulusSx
220in³
Plastic section modulusZx
256in³
Radius of gyrationrx
9.4in

Weak axis y–y

Moment of inertiaIy
2,000in⁴
Elastic section modulusSy
200in³
Plastic section modulusZy
226in³
Radius of gyrationry
8.19in

Torsion and stability

Torsional constantJ
3,510in⁴
Torsional modulusC
324in³

Slenderness ratios

Wall slendernessb/t
54.3
Wall slendernessh/t
65.8

Equivalents in other standards