Rectangular and square HSS

HSS2-1/2X1-1/2X1/4 HSS63.5X38.1X6.4

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 = 1.5d = 2.5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2.5in
Widthb
1.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
5.41lb/ft
Cross-sectional areaA
1.51in²

Strong axis x–x

Moment of inertiaIx
1.03in⁴
Elastic section modulusSx
0.822in³
Plastic section modulusZx
1.11in³
Radius of gyrationrx
0.826in

Weak axis y–y

Moment of inertiaIy
0.449in⁴
Elastic section modulusSy
0.599in³
Plastic section modulusZy
0.764in³
Radius of gyrationry
0.546in

Torsion and stability

Torsional constantJ
1.1in⁴
Torsional modulusC
1.29in³

Slenderness ratios

Wall slendernessb/t
3.44
Wall slendernessh/t
7.73

Equivalents in other standards