Steel Beam Sizes / UK / Universal Columns / UC 305×305×240

UC 305×305×240 Steel Beam Dimensions and Properties

UK Universal columns · v2023.11

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

Units

Section diagram

UC 305×305×240 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 161.27 lb/ft 240.00 kg/m
Depth, d 13.88 in 352.50 mm
Flange width, bf 12.54 in 318.40 mm
tw 0.906 in 23.000 mm
tf 1.484 in 37.700 mm
Area 47.43 in² 30,600.00 mm²
Ix 1,542.41 in⁴ 642,000,000 mm⁴
Iy 487.71 in⁴ 203,000,000 mm⁴
Sx 222.13 in³ 3,640,000 mm³
Sy 78.11 in³ 1,280,000 mm³
Zx 259.35 in³ 4,250,000 mm³
Zy 119.00 in³ 1,950,000 mm³
rx 5.71 in 145.00 mm
ry 3.21 in 81.50 mm
J 30.51 in⁴ 12,700,000 mm⁴
Cw 18,693.96 in⁶ 5,020,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UC 305×305×240.

Lighter in Universal columns

UC 356×406×235

Weight
235.0 kg/m (-2.1%)
Depth
381.0 mm (+8.1%)
Ix
791,000,000 mm⁴ (+23%)

Heavier in Universal columns

UC 305×305×283

Weight
283.0 kg/m (+18%)
Depth
365.3 mm (+3.6%)
Ix
789,000,000 mm⁴ (+23%)

Closest Iₓ in Universal columns

UC 356×368×202

Weight
202.0 kg/m (-16%)
Depth
374.6 mm (+6.3%)
Ix
663,000,000 mm⁴ (+3.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology