Round HSS

HSS5.500X0.258 HSS139.7X6.6

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 = 5.5tdes = 0.24tdes = 0.24
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
5.5in
Nominal thicknesstnom
0.258in
Design thicknesstdes
0.24in

Mass and area

Mass per lengthm
14.46lb/ft
Cross-sectional areaA
3.97in²

Strong axis x–x

Moment of inertiaIx
13.7in⁴
Elastic section modulusSx
5in³
Plastic section modulusZx
6.64in³
Radius of gyrationrx
1.86in

Weak axis y–y

Moment of inertiaIy
13.7in⁴
Elastic section modulusSy
5in³
Plastic section modulusZy
6.64in³
Radius of gyrationry
1.86in

Torsion and stability

Torsional constantJ
27.5in⁴
Torsional modulusC
10in³

Slenderness ratios

Wall slendernessD/t
22.9

Equivalents in other standards