Round HSS

HSS5.500X0.375 HSS139.7X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
5.5in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
20.55lb/ft
Cross-sectional areaA
5.65in²

Strong axis x–x

Moment of inertiaIx
18.8in⁴
Elastic section modulusSx
6.84in³
Plastic section modulusZx
9.27in³
Radius of gyrationrx
1.83in

Weak axis y–y

Moment of inertiaIy
18.8in⁴
Elastic section modulusSy
6.84in³
Plastic section modulusZy
9.27in³
Radius of gyrationry
1.83in

Torsion and stability

Torsional constantJ
37.6in⁴
Torsional modulusC
13.7in³

Slenderness ratios

Wall slendernessD/t
15.8

Equivalents in other standards