Steel Beam Sizes / UK / Universal Beams / UB 457×191×89

UB 457×191×89 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 457×191×89 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 60.01 lb/ft 89.30 kg/m
Depth, d 18.24 in 463.40 mm
Flange width, bf 7.56 in 191.90 mm
tw 0.413 in 10.500 mm
tf 0.697 in 17.700 mm
Area 17.67 in² 11,400.00 mm²
Ix 985.03 in⁴ 410,000,000 mm⁴
Iy 50.21 in⁴ 20,900,000 mm⁴
Sx 108.01 in³ 1,770,000 mm³
Sy 13.30 in³ 218,000.00 mm³
Zx 122.66 in³ 2,010,000 mm³
Zy 20.63 in³ 338,000.00 mm³
rx 7.48 in 190.00 mm
ry 1.69 in 42.90 mm
J 2.18 in⁴ 907,000.00 mm⁴
Cw 3,872.85 in⁶ 1,040,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 457×191×89.

Lighter in Universal beams

UB 406×178×85

Weight
85.0 kg/m (-4.8%)
Depth
417.0 mm (-10%)
Ix
315,000,000 mm⁴ (-23%)

Heavier in Universal beams

UB 610×178×92

Weight
92.0 kg/m (+3.0%)
Depth
603.0 mm (+30%)
Ix
647,000,000 mm⁴ (+58%)

Closest Iₓ in Universal beams

UB 533×165×74

Weight
74.0 kg/m (-17%)
Depth
529.0 mm (+14%)
Ix
411,000,000 mm⁴ (+0.2%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology