Rectangular and square HSS

HSS5X3X5/16 HSS127X76.2X7.9

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 = 5tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Widthb
3in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
14.83lb/ft
Cross-sectional areaA
4.1in²

Strong axis x–x

Moment of inertiaIx
12.6in⁴
Elastic section modulusSx
5.03in³
Plastic section modulusZx
6.42in³
Radius of gyrationrx
1.75in

Weak axis y–y

Moment of inertiaIy
5.6in⁴
Elastic section modulusSy
3.73in³
Plastic section modulusZy
4.48in³
Radius of gyrationry
1.17in

Torsion and stability

Torsional constantJ
13.1in⁴
Torsional modulusC
7.33in³

Slenderness ratios

Wall slendernessb/t
7.31
Wall slendernessh/t
14.2

Equivalents in other standards