Rectangular and square HSS

HSS3-1/2X2-1/2X1/4 HSS88.9X63.5X6.4

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 = 2.5d = 3.5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3.5in
Widthb
2.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
8.81lb/ft
Cross-sectional areaA
2.44in²

Strong axis x–x

Moment of inertiaIx
3.79in⁴
Elastic section modulusSx
2.17in³
Plastic section modulusZx
2.74in³
Radius of gyrationrx
1.25in

Weak axis y–y

Moment of inertiaIy
2.23in⁴
Elastic section modulusSy
1.78in³
Plastic section modulusZy
2.16in³
Radius of gyrationry
0.956in

Torsion and stability

Torsional constantJ
4.75in⁴
Torsional modulusC
3.4in³

Slenderness ratios

Wall slendernessb/t
7.73
Wall slendernessh/t
12

Equivalents in other standards