Rectangular and square HSS

HSS9X7X5/16 HSS228.6X177.8X7.9

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 = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
9in
Widthb
7in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
31.84lb/ft
Cross-sectional areaA
8.76in²

Strong axis x–x

Moment of inertiaIx
102in⁴
Elastic section modulusSx
22.6in³
Plastic section modulusZx
27.1in³
Radius of gyrationrx
3.41in

Weak axis y–y

Moment of inertiaIy
69.2in⁴
Elastic section modulusSy
19.8in³
Plastic section modulusZy
22.8in³
Radius of gyrationry
2.81in

Torsion and stability

Torsional constantJ
131in⁴
Torsional modulusC
33.9in³

Slenderness ratios

Wall slendernessb/t
21.1
Wall slendernessh/t
27.9

Equivalents in other standards