Rectangular and square HSS

HSS3X3X3/8 HSS76.2X76.2X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
12.17lb/ft
Cross-sectional areaA
3.39in²

Strong axis x–x

Moment of inertiaIx
3.78in⁴
Elastic section modulusSx
2.52in³
Plastic section modulusZx
3.25in³
Radius of gyrationrx
1.06in

Weak axis y–y

Moment of inertiaIy
3.78in⁴
Elastic section modulusSy
2.52in³
Plastic section modulusZy
3.25in³
Radius of gyrationry
1.06in

Torsion and stability

Torsional constantJ
6.64in⁴
Torsional modulusC
4.74in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
5.6

Equivalents in other standards