Round HSS

HSS3.500X0.250 HSS88.9X6.4

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 = 3.5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
3.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
8.69lb/ft
Cross-sectional areaA
2.39in²

Strong axis x–x

Moment of inertiaIx
3.21in⁴
Elastic section modulusSx
1.83in³
Plastic section modulusZx
2.49in³
Radius of gyrationrx
1.16in

Weak axis y–y

Moment of inertiaIy
3.21in⁴
Elastic section modulusSy
1.83in³
Plastic section modulusZy
2.49in³
Radius of gyrationry
1.16in

Torsion and stability

Torsional constantJ
6.41in⁴
Torsional modulusC
3.66in³

Slenderness ratios

Wall slendernessD/t
15

Equivalents in other standards