Rectangular and square HSS

HSS3X3X5/16 HSS76.2X76.2X7.9

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

Dimensions

Depthd
3in
Widthb
3in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
10.58lb/ft
Cross-sectional areaA
2.94in²

Strong axis x–x

Moment of inertiaIx
3.45in⁴
Elastic section modulusSx
2.3in³
Plastic section modulusZx
2.9in³
Radius of gyrationrx
1.08in

Weak axis y–y

Moment of inertiaIy
3.45in⁴
Elastic section modulusSy
2.3in³
Plastic section modulusZy
2.9in³
Radius of gyrationry
1.08in

Torsion and stability

Torsional constantJ
5.94in⁴
Torsional modulusC
4.18in³

Slenderness ratios

Wall slendernessb/t
7.31
Wall slendernessh/t
7.31

Equivalents in other standards