Rectangular and square HSS

HSS7X7X1/4 HSS177.8X177.8X6.4

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 = 7d = 7tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
7in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
22.42lb/ft
Cross-sectional areaA
6.17in²

Strong axis x–x

Moment of inertiaIx
46.5in⁴
Elastic section modulusSx
13.3in³
Plastic section modulusZx
15.5in³
Radius of gyrationrx
2.75in

Weak axis y–y

Moment of inertiaIy
46.5in⁴
Elastic section modulusSy
13.3in³
Plastic section modulusZy
15.5in³
Radius of gyrationry
2.75in

Torsion and stability

Torsional constantJ
73.5in⁴
Torsional modulusC
21.3in³

Slenderness ratios

Wall slendernessb/t
27
Wall slendernessh/t
27

Equivalents in other standards