Rectangular and square HSS

HSS22X10X5/16 HSS558.8X254X7.9

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 = 10d = 22tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
22in
Widthb
10in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
65.87lb/ft
Cross-sectional areaA
18.1in²

Strong axis x–x

Moment of inertiaIx
1,140in⁴
Elastic section modulusSx
103in³
Plastic section modulusZx
128in³
Radius of gyrationrx
7.93in

Weak axis y–y

Moment of inertiaIy
337in⁴
Elastic section modulusSy
67.4in³
Plastic section modulusZy
74in³
Radius of gyrationry
4.32in

Torsion and stability

Torsional constantJ
832in⁴
Torsional modulusC
123in³

Slenderness ratios

Wall slendernessb/t
31.4
Wall slendernessh/t
72.6

Equivalents in other standards