Steel Beam Sizes / UK / Universal Beams / UB 914×305×345

UB 914×305×345 Steel Beam Dimensions and Properties

UK Universal beams · v2023.11

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

Units

Section diagram

UB 914×305×345 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 231.83 lb/ft 345.00 kg/m
Depth, d 37.13 in 943.00 mm
Flange width, bf 12.13 in 308.00 mm
tw 0.870 in 22.100 mm
tf 1.571 in 39.900 mm
Area 68.20 in² 44,000.00 mm²
Ix 15,039.71 in⁴ 6,260,000,000 mm⁴
Iy 468.49 in⁴ 195,000,000 mm⁴
Sx 811.62 in³ 13,300,000 mm³
Sy 77.50 in³ 1,270,000 mm³
Zx 939.77 in³ 15,400,000 mm³
Zy 122.05 in³ 2,000,000 mm³
rx 14.84 in 377.00 mm
ry 2.62 in 66.60 mm
J 39.64 in⁴ 16,500,000 mm⁴
Cw 147,466.33 in⁶ 39,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 914×305×345.

Lighter in Universal beams

UB 920×420×344

Weight
344.0 kg/m (-0.3%)
Depth
927.0 mm (-1.7%)
Ix
6,450,000,000 mm⁴ (+3.0%)

Heavier in Universal beams

UB 1016×305×350

Weight
350.0 kg/m (+1.4%)
Depth
1,008.0 mm (+6.9%)
Ix
7,230,000,000 mm⁴ (+15%)

Closest Iₓ in Universal beams

UB 1000×400×296

Weight
296.0 kg/m (-14%)
Depth
982.0 mm (+4.1%)
Ix
6,200,000,000 mm⁴ (-1.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology