Rectangular and square HSS

HSS7X3X3/8 HSS177.8X76.2X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
7in
Widthb
3in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
22.37lb/ft
Cross-sectional areaA
6.18in²

Strong axis x–x

Moment of inertiaIx
34.1in⁴
Elastic section modulusSx
9.73in³
Plastic section modulusZx
12.8in³
Radius of gyrationrx
2.35in

Weak axis y–y

Moment of inertiaIy
8.71in⁴
Elastic section modulusSy
5.81in³
Plastic section modulusZy
6.95in³
Radius of gyrationry
1.19in

Torsion and stability

Torsional constantJ
23.9in⁴
Torsional modulusC
12.1in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
17.1

Equivalents in other standards