Rectangular and square HSS

HSS7X3X1/4 HSS177.8X76.2X6.4

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 = 3d = 7tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
3in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
15.62lb/ft
Cross-sectional areaA
4.3in²

Strong axis x–x

Moment of inertiaIx
25.2in⁴
Elastic section modulusSx
7.19in³
Plastic section modulusZx
9.22in³
Radius of gyrationrx
2.42in

Weak axis y–y

Moment of inertiaIy
6.6in⁴
Elastic section modulusSy
4.4in³
Plastic section modulusZy
5.06in³
Radius of gyrationry
1.24in

Torsion and stability

Torsional constantJ
17.5in⁴
Torsional modulusC
8.68in³

Slenderness ratios

Wall slendernessb/t
9.88
Wall slendernessh/t
27

Equivalents in other standards