Rectangular and square HSS

HSS2-1/2X2-1/2X1/4 HSS63.5X63.5X6.4

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

Dimensions

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

Mass and area

Mass per lengthm
7.11lb/ft
Cross-sectional areaA
1.97in²

Strong axis x–x

Moment of inertiaIx
1.63in⁴
Elastic section modulusSx
1.3in³
Plastic section modulusZx
1.63in³
Radius of gyrationrx
0.908in

Weak axis y–y

Moment of inertiaIy
1.63in⁴
Elastic section modulusSy
1.3in³
Plastic section modulusZy
1.63in³
Radius of gyrationry
0.908in

Torsion and stability

Torsional constantJ
2.79in⁴
Torsional modulusC
2.35in³

Slenderness ratios

Wall slendernessb/t
7.73
Wall slendernessh/t
7.73

Equivalents in other standards