Rectangular and square HSS

HSS10X8X5/8 HSS254X203.2X15.9

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 = 8d = 10tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Widthb
8in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
67.82lb/ft
Cross-sectional areaA
18.7in²

Strong axis x–x

Moment of inertiaIx
253in⁴
Elastic section modulusSx
50.5in³
Plastic section modulusZx
62.2in³
Radius of gyrationrx
3.68in

Weak axis y–y

Moment of inertiaIy
178in⁴
Elastic section modulusSy
44.5in³
Plastic section modulusZy
53.3in³
Radius of gyrationry
3.09in

Torsion and stability

Torsional constantJ
346in⁴
Torsional modulusC
80.4in³

Slenderness ratios

Wall slendernessb/t
10.8
Wall slendernessh/t
14.2

Equivalents in other standards