Round HSS

HSS4.000X0.226 HSS101.6X5.7

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 = 4tdes = 0.21tdes = 0.21
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
4in
Nominal thicknesstnom
0.226in
Design thicknesstdes
0.21in

Mass and area

Mass per lengthm
9.12lb/ft
Cross-sectional areaA
2.5in²

Strong axis x–x

Moment of inertiaIx
4.5in⁴
Elastic section modulusSx
2.25in³
Plastic section modulusZx
3.02in³
Radius of gyrationrx
1.34in

Weak axis y–y

Moment of inertiaIy
4.5in⁴
Elastic section modulusSy
2.25in³
Plastic section modulusZy
3.02in³
Radius of gyrationry
1.34in

Torsion and stability

Torsional constantJ
9.01in⁴
Torsional modulusC
4.5in³

Slenderness ratios

Wall slendernessD/t
19

Equivalents in other standards