Steel Beam Sizes / UK / CHS / CHS 273×12.5

CHS 273×12.5 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 273×12.5 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 53.96 lb/ft 80.30 kg/m
OD 10.748 in 273.000 mm
t 0.492 in 12.500 mm
Area 15.81 in² 10,200.00 mm²
Ix 209.02 in⁴ 87,000,000 mm⁴
Iy 209.02 in⁴ 87,000,000 mm⁴
Sx 38.87 in³ 637,000.00 mm³
Sy 38.87 in³ 637,000.00 mm³
Zx 51.81 in³ 849,000.00 mm³
Zy 51.81 in³ 849,000.00 mm³
rx 3.63 in 92.20 mm
ry 3.63 in 92.20 mm
J 418.04 in⁴ 174,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 273×12.5.

Lighter in Circular hollow sections

CHS 219.1×16

Weight
80.1 kg/m (-0.2%)
Depth
— mm
Ix
53,000,000 mm⁴ (-39%)

Heavier in Circular hollow sections

CHS 244.5×14.2

Weight
80.6 kg/m (+0.4%)
Depth
— mm
Ix
68,400,000 mm⁴ (-21%)

Closest Iₓ in Circular hollow sections

CHS 323.9×7.1

Weight
55.5 kg/m (-31%)
Depth
— mm
Ix
88,700,000 mm⁴ (+2.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology