Steel Beam Sizes / UK / Universal Beams / UB 1100×400×548

UB 1100×400×548 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 1100×400×548 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 368.24 lb/ft 548.00 kg/m
Depth, d 44.41 in 1,128.00 mm
Flange width, bf 16.02 in 407.00 mm
tw 1.102 in 28.000 mm
tf 1.969 in 50.000 mm
Area 108.19 in² 69,800.00 mm²
Ix 35,004.57 in⁴ 14,570,000,000 mm⁴
Iy 1,355.02 in⁴ 564,000,000 mm⁴
Sx 1,574.41 in³ 25,800,000 mm³
Sy 169.04 in³ 2,770,000 mm³
Zx 1,812.41 in³ 29,700,000 mm³
Zy 266.06 in³ 4,360,000 mm³
rx 17.91 in 455.00 mm
ry 3.53 in 89.60 mm
J 104.27 in⁴ 43,400,000 mm⁴
Cw 609,974.38 in⁶ 163,800,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1100×400×548.

Lighter in Universal beams

UB 1000×400×539

Weight
539.0 kg/m (-1.6%)
Depth
1,030.0 mm (-8.7%)
Ix
12,030,000,000 mm⁴ (-17%)

Heavier in Universal beams

UB 1000×400×554

Weight
554.0 kg/m (+1.1%)
Depth
1,032.0 mm (-8.5%)
Ix
12,320,000,000 mm⁴ (-15%)

Closest Iₓ in Universal beams

UB 1000×400×642

Weight
642.0 kg/m (+17%)
Depth
1,048.0 mm (-7.1%)
Ix
14,510,000,000 mm⁴ (-0.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology