Rectangular and square HSS

HSS9X5X5/8 HSS228.6X127X15.9

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 = 5d = 9tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
5in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
50.81lb/ft
Cross-sectional areaA
14in²

Strong axis x–x

Moment of inertiaIx
133in⁴
Elastic section modulusSx
29.6in³
Plastic section modulusZx
38.5in³
Radius of gyrationrx
3.08in

Weak axis y–y

Moment of inertiaIy
52in⁴
Elastic section modulusSy
20.8in³
Plastic section modulusZy
25.3in³
Radius of gyrationry
1.92in

Torsion and stability

Torsional constantJ
128in⁴
Torsional modulusC
42.5in³

Slenderness ratios

Wall slendernessb/t
5.61
Wall slendernessh/t
12.5

Equivalents in other standards