Round HSS

HSS16.000X0.250 HSS406.4X6.4

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 = 16tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
16in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
42.09lb/ft
Cross-sectional areaA
11.5in²

Strong axis x–x

Moment of inertiaIx
359in⁴
Elastic section modulusSx
44.8in³
Plastic section modulusZx
57.9in³
Radius of gyrationrx
5.58in

Weak axis y–y

Moment of inertiaIy
359in⁴
Elastic section modulusSy
44.8in³
Plastic section modulusZy
57.9in³
Radius of gyrationry
5.58in

Torsion and stability

Torsional constantJ
717in⁴
Torsional modulusC
89.7in³

Slenderness ratios

Wall slendernessD/t
68.7

Equivalents in other standards