Rectangular and square HSS

HSS2-1/2X2-1/2X5/16 HSS63.5X63.5X7.9

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 = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2.5in
Widthb
2.5in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
8.45lb/ft
Cross-sectional areaA
2.35in²

Strong axis x–x

Moment of inertiaIx
1.82in⁴
Elastic section modulusSx
1.46in³
Plastic section modulusZx
1.88in³
Radius of gyrationrx
0.88in

Weak axis y–y

Moment of inertiaIy
1.82in⁴
Elastic section modulusSy
1.46in³
Plastic section modulusZy
1.88in³
Radius of gyrationry
0.88in

Torsion and stability

Torsional constantJ
3.2in⁴
Torsional modulusC
2.74in³

Slenderness ratios

Wall slendernessb/t
5.59
Wall slendernessh/t
5.59

Equivalents in other standards