Rectangular and square HSS

HSS9X9X5/16 HSS228.6X228.6X7.9

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 = 9d = 9tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

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

Mass and area

Mass per lengthm
36.1lb/ft
Cross-sectional areaA
9.92in²

Strong axis x–x

Moment of inertiaIx
124in⁴
Elastic section modulusSx
27.6in³
Plastic section modulusZx
32.1in³
Radius of gyrationrx
3.54in

Weak axis y–y

Moment of inertiaIy
124in⁴
Elastic section modulusSy
27.6in³
Plastic section modulusZy
32.1in³
Radius of gyrationry
3.54in

Torsion and stability

Torsional constantJ
196in⁴
Torsional modulusC
44in³

Slenderness ratios

Wall slendernessb/t
27.9
Wall slendernessh/t
27.9

Equivalents in other standards