Rectangular and square HSS

HSS7X4X1/2 HSS177.8X101.6X12.7

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 = 4d = 7tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
4in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
31.84lb/ft
Cross-sectional areaA
8.81in²

Strong axis x–x

Moment of inertiaIx
50.7in⁴
Elastic section modulusSx
14.5in³
Plastic section modulusZx
18.8in³
Radius of gyrationrx
2.4in

Weak axis y–y

Moment of inertiaIy
20.7in⁴
Elastic section modulusSy
10.4in³
Plastic section modulusZy
12.6in³
Radius of gyrationry
1.53in

Torsion and stability

Torsional constantJ
50.5in⁴
Torsional modulusC
21.1in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
12.1

Equivalents in other standards