Rectangular and square HSS

HSS3X3X1/4 HSS76.2X76.2X6.4

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 = 3d = 3tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Widthb
3in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
8.81lb/ft
Cross-sectional areaA
2.44in²

Strong axis x–x

Moment of inertiaIx
3.02in⁴
Elastic section modulusSx
2.01in³
Plastic section modulusZx
2.48in³
Radius of gyrationrx
1.11in

Weak axis y–y

Moment of inertiaIy
3.02in⁴
Elastic section modulusSy
2.01in³
Plastic section modulusZy
2.48in³
Radius of gyrationry
1.11in

Torsion and stability

Torsional constantJ
5.08in⁴
Torsional modulusC
3.52in³

Slenderness ratios

Wall slendernessb/t
9.88
Wall slendernessh/t
9.88

Equivalents in other standards