Steel Beam Sizes / UK / Universal Beams / UB 457×191×74

UB 457×191×74 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 457×191×74 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 49.93 lb/ft 74.30 kg/m
Depth, d 17.99 in 457.00 mm
Flange width, bf 7.50 in 190.40 mm
tw 0.354 in 9.000 mm
tf 0.571 in 14.500 mm
Area 14.66 in² 9,460.00 mm²
Ix 800.04 in⁴ 333,000,000 mm⁴
Iy 40.12 in⁴ 16,700,000 mm⁴
Sx 89.09 in³ 1,460,000 mm³
Sy 10.74 in³ 176,000.00 mm³
Zx 100.69 in³ 1,650,000 mm³
Zy 16.60 in³ 272,000.00 mm³
rx 7.40 in 188.00 mm
ry 1.65 in 42.00 mm
J 1.24 in⁴ 518,000.00 mm⁴
Cw 3,042.42 in⁶ 817,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 457×191×74.

Lighter in Universal beams

UB 406×178×74

Weight
74.2 kg/m (-0.1%)
Depth
412.8 mm (-9.7%)
Ix
273,000,000 mm⁴ (-18%)

Heavier in Universal beams

UB 457×191×82

Weight
82.0 kg/m (+10%)
Depth
460.0 mm (+0.7%)
Ix
370,000,000 mm⁴ (+11%)

Closest Iₓ in Universal beams

UB 457×152×74

Weight
74.2 kg/m (-0.1%)
Depth
462.0 mm (+1.1%)
Ix
327,000,000 mm⁴ (-1.8%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology