Rectangular and square HSS

HSS3-1/2X3-1/2X1/4 HSS88.9X88.9X6.4

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 = 3.5d = 3.5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
3.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
10.51lb/ft
Cross-sectional areaA
2.91in²

Strong axis x–x

Moment of inertiaIx
5.04in⁴
Elastic section modulusSx
2.88in³
Plastic section modulusZx
3.5in³
Radius of gyrationrx
1.32in

Weak axis y–y

Moment of inertiaIy
5.04in⁴
Elastic section modulusSy
2.88in³
Plastic section modulusZy
3.5in³
Radius of gyrationry
1.32in

Torsion and stability

Torsional constantJ
8.35in⁴
Torsional modulusC
4.92in³

Slenderness ratios

Wall slendernessb/t
12
Wall slendernessh/t
12

Equivalents in other standards