Round HSS

HSS26.000X0.625 HSS660.4X15.9

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 = 26tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
26in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
169.5lb/ft
Cross-sectional areaA
46.4in²

Strong axis x–x

Moment of inertiaIx
3,750in⁴
Elastic section modulusSx
289in³
Plastic section modulusZx
376in³
Radius of gyrationrx
8.99in

Weak axis y–y

Moment of inertiaIy
3,750in⁴
Elastic section modulusSy
289in³
Plastic section modulusZy
376in³
Radius of gyrationry
8.99in

Torsion and stability

Torsional constantJ
7,500in⁴
Torsional modulusC
577in³

Slenderness ratios

Wall slendernessD/t
44.7

Equivalents in other standards