Round HSS

HSS11.750X0.250 HSS299.72X6.4

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 = 11.8tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
11.8in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
30.73lb/ft
Cross-sectional areaA
8.41in²

Strong axis x–x

Moment of inertiaIx
140in⁴
Elastic section modulusSx
23.8in³
Plastic section modulusZx
30.8in³
Radius of gyrationrx
4.07in

Weak axis y–y

Moment of inertiaIy
140in⁴
Elastic section modulusSy
23.8in³
Plastic section modulusZy
30.8in³
Radius of gyrationry
4.07in

Torsion and stability

Torsional constantJ
279in⁴
Torsional modulusC
47.5in³

Slenderness ratios

Wall slendernessD/t
50.5

Equivalents in other standards