Steel Beam Sizes / UK / Universal Beams / UB 457×191×82

UB 457×191×82 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 457×191×82 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 55.10 lb/ft 82.00 kg/m
Depth, d 18.11 in 460.00 mm
Flange width, bf 7.53 in 191.30 mm
tw 0.390 in 9.900 mm
tf 0.630 in 16.000 mm
Area 16.12 in² 10,400.00 mm²
Ix 888.93 in⁴ 370,000,000 mm⁴
Iy 44.93 in⁴ 18,700,000 mm⁴
Sx 98.25 in³ 1,610,000 mm³
Sy 11.96 in³ 196,000.00 mm³
Zx 111.67 in³ 1,830,000 mm³
Zy 18.55 in³ 304,000.00 mm³
rx 7.40 in 188.00 mm
ry 1.67 in 42.30 mm
J 1.66 in⁴ 692,000.00 mm⁴
Cw 3,425.99 in⁶ 920,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 457×191×82.

Lighter in Universal beams

UB 457×191×74

Weight
74.3 kg/m (-9.4%)
Depth
457.0 mm (-0.7%)
Ix
333,000,000 mm⁴ (-10%)

Heavier in Universal beams

UB 457×152×82

Weight
82.1 kg/m (+0.1%)
Depth
465.8 mm (+1.3%)
Ix
366,000,000 mm⁴ (-1.1%)

Closest Iₓ in Universal beams

UB 533×165×66

Weight
66.0 kg/m (-20%)
Depth
525.0 mm (+14%)
Ix
351,000,000 mm⁴ (-5.1%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology