Round HSS

HSS8.625X0.375 HSS219.1X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
8.63in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
33.07lb/ft
Cross-sectional areaA
9.07in²

Strong axis x–x

Moment of inertiaIx
77.8in⁴
Elastic section modulusSx
18in³
Plastic section modulusZx
23.9in³
Radius of gyrationrx
2.93in

Weak axis y–y

Moment of inertiaIy
77.8in⁴
Elastic section modulusSy
18in³
Plastic section modulusZy
23.9in³
Radius of gyrationry
2.93in

Torsion and stability

Torsional constantJ
156in⁴
Torsional modulusC
36.1in³

Slenderness ratios

Wall slendernessD/t
24.7

Equivalents in other standards