Rectangular and square HSS

HSS22X22X5/8 HSS558.8X558.8X15.9

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 = 22d = 22tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
22in
Widthb
22in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
178.4lb/ft
Cross-sectional areaA
48.9in²

Strong axis x–x

Moment of inertiaIx
3,710in⁴
Elastic section modulusSx
337in³
Plastic section modulusZx
390in³
Radius of gyrationrx
8.7in

Weak axis y–y

Moment of inertiaIy
3,710in⁴
Elastic section modulusSy
337in³
Plastic section modulusZy
390in³
Radius of gyrationry
8.7in

Torsion and stability

Torsional constantJ
5,790in⁴
Torsional modulusC
532in³

Slenderness ratios

Wall slendernessb/t
34.9
Wall slendernessh/t
34.9

Equivalents in other standards