Rectangular and square HSS

HSS9X3X1/2 HSS228.6X76.2X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
3in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
35.24lb/ft
Cross-sectional areaA
9.74in²

Strong axis x–x

Moment of inertiaIx
80.8in⁴
Elastic section modulusSx
18in³
Plastic section modulusZx
24.6in³
Radius of gyrationrx
2.88in

Weak axis y–y

Moment of inertiaIy
13.2in⁴
Elastic section modulusSy
8.81in³
Plastic section modulusZy
10.8in³
Radius of gyrationry
1.17in

Torsion and stability

Torsional constantJ
40in⁴
Torsional modulusC
19.7in³

Slenderness ratios

Wall slendernessb/t
3.45
Wall slendernessh/t
16.4

Equivalents in other standards