Steel Beam Sizes / UK / CHS / CHS 406.4×11

CHS 406.4×11 Steel Beam Dimensions and Properties

UK Circular hollow sections · v2023.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

CHS 406.4×11 dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 71.90 lb/ft 107.00 kg/m
OD 16.000 in 406.400 mm
t 0.433 in 11.000 mm
Area 21.24 in² 13,700.00 mm²
Ix 641.47 in⁴ 267,000,000 mm⁴
Iy 641.47 in⁴ 267,000,000 mm⁴
Sx 80.55 in³ 1,320,000 mm³
Sy 80.55 in³ 1,320,000 mm³
Zx 104.96 in³ 1,720,000 mm³
Zy 104.96 in³ 1,720,000 mm³
rx 5.51 in 140.00 mm
ry 5.51 in 140.00 mm
J 1,282.94 in⁴ 534,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 406.4×11.

Lighter in Circular hollow sections

CHS 355.6×12.5

Weight
106.0 kg/m (-0.9%)
Depth
— mm
Ix
199,000,000 mm⁴ (-25%)

Heavier in Circular hollow sections

CHS 323.9×14.2

Weight
108.0 kg/m (+0.9%)
Depth
— mm
Ix
166,000,000 mm⁴ (-38%)

Closest Iₓ in Circular hollow sections

CHS 355.6×16

Weight
134.0 kg/m (+25%)
Depth
— mm
Ix
247,000,000 mm⁴ (-7.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology