Round HSS

HSS8.625X0.250 HSS219.1X6.4

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 = 8.63tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
8.63in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
22.38lb/ft
Cross-sectional areaA
6.14in²

Strong axis x–x

Moment of inertiaIx
54.1in⁴
Elastic section modulusSx
12.5in³
Plastic section modulusZx
16.4in³
Radius of gyrationrx
2.97in

Weak axis y–y

Moment of inertiaIy
54.1in⁴
Elastic section modulusSy
12.5in³
Plastic section modulusZy
16.4in³
Radius of gyrationry
2.97in

Torsion and stability

Torsional constantJ
108in⁴
Torsional modulusC
25.1in³

Slenderness ratios

Wall slendernessD/t
37

Equivalents in other standards