Round HSS

HSS8.625X0.625 HSS219.1X15.9

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.
xyD = 8.63tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
8.63in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
53.45lb/ft
Cross-sectional areaA
14.7in²

Strong axis x–x

Moment of inertiaIx
119in⁴
Elastic section modulusSx
27.7in³
Plastic section modulusZx
37.7in³
Radius of gyrationrx
2.85in

Weak axis y–y

Moment of inertiaIy
119in⁴
Elastic section modulusSy
27.7in³
Plastic section modulusZy
37.7in³
Radius of gyrationry
2.85in

Torsion and stability

Torsional constantJ
239in⁴
Torsional modulusC
55.4in³

Slenderness ratios

Wall slendernessD/t
14.8

Equivalents in other standards