Rectangular and square HSS

HSS9X9X3/8 HSS228.6X228.6X9.5

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 = 9d = 9tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
9in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
42.79lb/ft
Cross-sectional areaA
11.8in²

Strong axis x–x

Moment of inertiaIx
145in⁴
Elastic section modulusSx
32.2in³
Plastic section modulusZx
37.8in³
Radius of gyrationrx
3.51in

Weak axis y–y

Moment of inertiaIy
145in⁴
Elastic section modulusSy
32.2in³
Plastic section modulusZy
37.8in³
Radius of gyrationry
3.51in

Torsion and stability

Torsional constantJ
231in⁴
Torsional modulusC
52.1in³

Slenderness ratios

Wall slendernessb/t
22.8
Wall slendernessh/t
22.8

Equivalents in other standards