Rectangular and square HSS

HSS7X5X5/16 HSS177.8X127X7.9

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 = 5d = 7tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
5in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
23.34lb/ft
Cross-sectional areaA
6.43in²

Strong axis x–x

Moment of inertiaIx
43in⁴
Elastic section modulusSx
12.3in³
Plastic section modulusZx
15in³
Radius of gyrationrx
2.59in

Weak axis y–y

Moment of inertiaIy
25.5in⁴
Elastic section modulusSy
10.2in³
Plastic section modulusZy
11.9in³
Radius of gyrationry
1.99in

Torsion and stability

Torsional constantJ
52.1in⁴
Torsional modulusC
18.3in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
21.1

Equivalents in other standards