Rectangular and square HSS

HSS7X4X1/4 HSS177.8X101.6X6.4

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 = 4d = 7tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
17.32lb/ft
Cross-sectional areaA
4.77in²

Strong axis x–x

Moment of inertiaIx
30.5in⁴
Elastic section modulusSx
8.72in³
Plastic section modulusZx
10.8in³
Radius of gyrationrx
2.53in

Weak axis y–y

Moment of inertiaIy
12.8in⁴
Elastic section modulusSy
6.38in³
Plastic section modulusZy
7.33in³
Radius of gyrationry
1.64in

Torsion and stability

Torsional constantJ
29.3in⁴
Torsional modulusC
11.8in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
27

Equivalents in other standards