Rectangular and square HSS

HSS7X3X5/16 HSS177.8X76.2X7.9

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 = 7tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
3in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
19.08lb/ft
Cross-sectional areaA
5.26in²

Strong axis x–x

Moment of inertiaIx
29.9in⁴
Elastic section modulusSx
8.54in³
Plastic section modulusZx
11.1in³
Radius of gyrationrx
2.38in

Weak axis y–y

Moment of inertiaIy
7.74in⁴
Elastic section modulusSy
5.16in³
Plastic section modulusZy
6.05in³
Radius of gyrationry
1.21in

Torsion and stability

Torsional constantJ
20.9in⁴
Torsional modulusC
10.5in³

Slenderness ratios

Wall slendernessb/t
7.31
Wall slendernessh/t
21.1

Equivalents in other standards