Steel Beam Sizes / UK / Universal Beams / UB 457×191×98

UB 457×191×98 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 457×191×98 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 66.05 lb/ft 98.30 kg/m
Depth, d 18.39 in 467.20 mm
Flange width, bf 7.59 in 192.80 mm
tw 0.449 in 11.400 mm
tf 0.772 in 19.600 mm
Area 19.38 in² 12,500.00 mm²
Ix 1,097.95 in⁴ 457,000,000 mm⁴
Iy 56.46 in⁴ 23,500,000 mm⁴
Sx 119.61 in³ 1,960,000 mm³
Sy 14.89 in³ 244,000.00 mm³
Zx 136.08 in³ 2,230,000 mm³
Zy 23.13 in³ 379,000.00 mm³
rx 7.52 in 191.00 mm
ry 1.70 in 43.30 mm
J 2.91 in⁴ 1,210,000 mm⁴
Cw 4,356.96 in⁶ 1,170,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 457×191×98.

Lighter in Universal beams

UB 533×210×92

Weight
92.1 kg/m (-6.3%)
Depth
533.1 mm (+14%)
Ix
552,000,000 mm⁴ (+21%)

Heavier in Universal beams

UB 533×210×101

Weight
101.0 kg/m (+2.7%)
Depth
536.7 mm (+15%)
Ix
615,000,000 mm⁴ (+35%)

Closest Iₓ in Universal beams

UB 533×210×82

Weight
82.2 kg/m (-16%)
Depth
528.3 mm (+13%)
Ix
475,000,000 mm⁴ (+3.9%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology