Rectangular and square HSS

HSS7X7X5/8 HSS177.8X177.8X15.9

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 = 7d = 7tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
7in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
50.81lb/ft
Cross-sectional areaA
14in²

Strong axis x–x

Moment of inertiaIx
93.4in⁴
Elastic section modulusSx
26.7in³
Plastic section modulusZx
33.1in³
Radius of gyrationrx
2.58in

Weak axis y–y

Moment of inertiaIy
93.4in⁴
Elastic section modulusSy
26.7in³
Plastic section modulusZy
33.1in³
Radius of gyrationry
2.58in

Torsion and stability

Torsional constantJ
158in⁴
Torsional modulusC
47.1in³

Slenderness ratios

Wall slendernessb/t
9.05
Wall slendernessh/t
9.05

Equivalents in other standards