Rectangular and square HSS

HSS9X7X5/8 HSS228.6X177.8X15.9

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 = 7d = 9tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
7in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
59.32lb/ft
Cross-sectional areaA
16.4in²

Strong axis x–x

Moment of inertiaIx
174in⁴
Elastic section modulusSx
38.7in³
Plastic section modulusZx
48.3in³
Radius of gyrationrx
3.26in

Weak axis y–y

Moment of inertiaIy
117in⁴
Elastic section modulusSy
33.5in³
Plastic section modulusZy
40.5in³
Radius of gyrationry
2.68in

Torsion and stability

Torsional constantJ
235in⁴
Torsional modulusC
62in³

Slenderness ratios

Wall slendernessb/t
9.05
Wall slendernessh/t
12.5

Equivalents in other standards