Rectangular and square HSS

HSS9X9X5/8 HSS228.6X228.6X15.9

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

Dimensions

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

Mass and area

Mass per lengthm
67.82lb/ft
Cross-sectional areaA
18.7in²

Strong axis x–x

Moment of inertiaIx
216in⁴
Elastic section modulusSx
47.9in³
Plastic section modulusZx
58.1in³
Radius of gyrationrx
3.4in

Weak axis y–y

Moment of inertiaIy
216in⁴
Elastic section modulusSy
47.9in³
Plastic section modulusZy
58.1in³
Radius of gyrationry
3.4in

Torsion and stability

Torsional constantJ
356in⁴
Torsional modulusC
81.6in³

Slenderness ratios

Wall slendernessb/t
12.5
Wall slendernessh/t
12.5

Equivalents in other standards