Round HSS

HSS16.000X0.438 HSS406.4X11.1

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 = 0.407tdes = 0.407
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
16in
Nominal thicknesstnom
0.438in
Design thicknesstdes
0.407in

Mass and area

Mass per lengthm
72.87lb/ft
Cross-sectional areaA
19.9in²

Strong axis x–x

Moment of inertiaIx
606in⁴
Elastic section modulusSx
75.8in³
Plastic section modulusZx
99in³
Radius of gyrationrx
5.51in

Weak axis y–y

Moment of inertiaIy
606in⁴
Elastic section modulusSy
75.8in³
Plastic section modulusZy
99in³
Radius of gyrationry
5.51in

Torsion and stability

Torsional constantJ
1,210in⁴
Torsional modulusC
152in³

Slenderness ratios

Wall slendernessD/t
39.3

Equivalents in other standards