Round HSS

HSS4.000X0.220 HSS101.6X5.6

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 = 4tdes = 0.205tdes = 0.205
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
4in
Nominal thicknesstnom
0.22in
Design thicknesstdes
0.205in

Mass and area

Mass per lengthm
8.89lb/ft
Cross-sectional areaA
2.44in²

Strong axis x–x

Moment of inertiaIx
4.41in⁴
Elastic section modulusSx
2.21in³
Plastic section modulusZx
2.96in³
Radius of gyrationrx
1.34in

Weak axis y–y

Moment of inertiaIy
4.41in⁴
Elastic section modulusSy
2.21in³
Plastic section modulusZy
2.96in³
Radius of gyrationry
1.34in

Torsion and stability

Torsional constantJ
8.83in⁴
Torsional modulusC
4.41in³

Slenderness ratios

Wall slendernessD/t
19.5

Equivalents in other standards