Rectangular and square HSS

HSS3X2X5/16 HSS76.2X50.8X7.9

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 = 2d = 3tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
2in
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
2.38in⁴
Elastic section modulusSx
1.59in³
Plastic section modulusZx
2.11in³
Radius of gyrationrx
1.01in

Weak axis y–y

Moment of inertiaIy
1.24in⁴
Elastic section modulusSy
1.24in³
Plastic section modulusZy
1.58in³
Radius of gyrationry
0.725in

Torsion and stability

Torsional constantJ
2.87in⁴
Torsional modulusC
2.6in³

Slenderness ratios

Wall slendernessb/t
3.87
Wall slendernessh/t
7.31

Equivalents in other standards