Steel Beam Sizes / UK / Universal Beams / UB 254×146×43

UB 254×146×43 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 254×146×43 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 28.89 lb/ft 43.00 kg/m
Depth, d 10.22 in 259.60 mm
Flange width, bf 5.80 in 147.30 mm
tw 0.283 in 7.200 mm
tf 0.500 in 12.700 mm
Area 8.49 in² 5,480.00 mm²
Ix 157.12 in⁴ 65,400,000 mm⁴
Iy 16.26 in⁴ 6,770,000 mm⁴
Sx 30.76 in³ 504,000.00 mm³
Sy 5.61 in³ 92,000.00 mm³
Zx 34.54 in³ 566,000.00 mm³
Zy 8.60 in³ 141,000.00 mm³
rx 4.29 in 109.00 mm
ry 1.39 in 35.20 mm
J 0.57 in⁴ 239,000.00 mm⁴
Cw 383.56 in⁶ 103,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 254×146×43.

Lighter in Universal beams

UB 305×127×42

Weight
41.9 kg/m (-2.6%)
Depth
307.2 mm (+18%)
Ix
82,000,000 mm⁴ (+25%)

Heavier in Universal beams

UB 356×171×45

Weight
45.0 kg/m (+4.7%)
Depth
351.4 mm (+35%)
Ix
121,000,000 mm⁴ (+85%)

Closest Iₓ in Universal beams

UB 305×102×33

Weight
32.8 kg/m (-24%)
Depth
312.7 mm (+20%)
Ix
65,000,000 mm⁴ (-0.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology