Rectangular and square HSS

HSS9X3X1/4 HSS228.6X76.2X6.4

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 = 3d = 9tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
3in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
19.02lb/ft
Cross-sectional areaA
5.24in²

Strong axis x–x

Moment of inertiaIx
48.2in⁴
Elastic section modulusSx
10.7in³
Plastic section modulusZx
14in³
Radius of gyrationrx
3.04in

Weak axis y–y

Moment of inertiaIy
8.38in⁴
Elastic section modulusSy
5.59in³
Plastic section modulusZy
6.35in³
Radius of gyrationry
1.27in

Torsion and stability

Torsional constantJ
24.2in⁴
Torsional modulusC
11.3in³

Slenderness ratios

Wall slendernessb/t
9.88
Wall slendernessh/t
35.6

Equivalents in other standards