Rectangular and square HSS

HSS9X3X3/8 HSS228.6X76.2X9.5

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 = 3d = 9tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
3in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
27.48lb/ft
Cross-sectional areaA
7.58in²

Strong axis x–x

Moment of inertiaIx
66.3in⁴
Elastic section modulusSx
14.7in³
Plastic section modulusZx
19.7in³
Radius of gyrationrx
2.96in

Weak axis y–y

Moment of inertiaIy
11.2in⁴
Elastic section modulusSy
7.45in³
Plastic section modulusZy
8.8in³
Radius of gyrationry
1.21in

Torsion and stability

Torsional constantJ
33.1in⁴
Torsional modulusC
15.8in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
22.8

Equivalents in other standards