Round HSS

HSS2.500X0.250 HSS63.5X6.4

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 = 2.5tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
2.5in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
6.01lb/ft
Cross-sectional areaA
1.66in²

Strong axis x–x

Moment of inertiaIx
1.08in⁴
Elastic section modulusSx
0.862in³
Plastic section modulusZx
1.2in³
Radius of gyrationrx
0.806in

Weak axis y–y

Moment of inertiaIy
1.08in⁴
Elastic section modulusSy
0.862in³
Plastic section modulusZy
1.2in³
Radius of gyrationry
0.806in

Torsion and stability

Torsional constantJ
2.15in⁴
Torsional modulusC
1.72in³

Slenderness ratios

Wall slendernessD/t
10.7

Equivalents in other standards