Rectangular and square HSS

HSS22X16X5/16 HSS558.8X406.4X7.9

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 = 16d = 22tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
22in
Widthb
16in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
78.63lb/ft
Cross-sectional areaA
21.6in²

Strong axis x–x

Moment of inertiaIx
1,550in⁴
Elastic section modulusSx
141in³
Plastic section modulusZx
165in³
Radius of gyrationrx
8.47in

Weak axis y–y

Moment of inertiaIy
954in⁴
Elastic section modulusSy
119in³
Plastic section modulusZy
133in³
Radius of gyrationry
6.65in

Torsion and stability

Torsional constantJ
1,830in⁴
Torsional modulusC
198in³

Slenderness ratios

Wall slendernessb/t
52
Wall slendernessh/t
72.6

Equivalents in other standards