Rectangular and square HSS

HSS9X9X1/4 HSS228.6X228.6X6.4

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 = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
9in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
29.23lb/ft
Cross-sectional areaA
8.03in²

Strong axis x–x

Moment of inertiaIx
102in⁴
Elastic section modulusSx
22.7in³
Plastic section modulusZx
26.2in³
Radius of gyrationrx
3.56in

Weak axis y–y

Moment of inertiaIy
102in⁴
Elastic section modulusSy
22.7in³
Plastic section modulusZy
26.2in³
Radius of gyrationry
3.56in

Torsion and stability

Torsional constantJ
159in⁴
Torsional modulusC
35.8in³

Slenderness ratios

Wall slendernessb/t
35.6
Wall slendernessh/t
35.6

Equivalents in other standards