Rectangular and square HSS

HSS7X7X1/2 HSS177.8X177.8X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
7in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
42.05lb/ft
Cross-sectional areaA
11.6in²

Strong axis x–x

Moment of inertiaIx
80.5in⁴
Elastic section modulusSx
23in³
Plastic section modulusZx
27.9in³
Radius of gyrationrx
2.63in

Weak axis y–y

Moment of inertiaIy
80.5in⁴
Elastic section modulusSy
23in³
Plastic section modulusZy
27.9in³
Radius of gyrationry
2.63in

Torsion and stability

Torsional constantJ
133in⁴
Torsional modulusC
39.3in³

Slenderness ratios

Wall slendernessb/t
12.1
Wall slendernessh/t
12.1

Equivalents in other standards