Rectangular and square HSS

HSS9X7X3/8 HSS228.6X177.8X9.5

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 = 7d = 9tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
7in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
37.69lb/ft
Cross-sectional areaA
10.4in²

Strong axis x–x

Moment of inertiaIx
119in⁴
Elastic section modulusSx
26.4in³
Plastic section modulusZx
31.8in³
Radius of gyrationrx
3.38in

Weak axis y–y

Moment of inertiaIy
80.4in⁴
Elastic section modulusSy
23in³
Plastic section modulusZy
26.7in³
Radius of gyrationry
2.78in

Torsion and stability

Torsional constantJ
154in⁴
Torsional modulusC
40in³

Slenderness ratios

Wall slendernessb/t
17.1
Wall slendernessh/t
22.8

Equivalents in other standards