Steel Beam Sizes / UK / Universal Beams / UB 1100×400×390

UB 1100×400×390 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 1100×400×390 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 262.07 lb/ft 390.00 kg/m
Depth, d 43.31 in 1,100.00 mm
Flange width, bf 15.75 in 400.00 mm
tw 0.787 in 20.000 mm
tf 1.417 in 36.000 mm
Area 77.04 in² 49,700.00 mm²
Ix 24,409.50 in⁴ 10,160,000,000 mm⁴
Iy 924.97 in⁴ 385,000,000 mm⁴
Sx 1,128.94 in³ 18,500,000 mm³
Sy 117.17 in³ 1,920,000 mm³
Zx 1,281.50 in³ 21,000,000 mm³
Zy 183.07 in³ 3,000,000 mm³
rx 17.72 in 450.00 mm
ry 3.45 in 87.60 mm
J 39.64 in⁴ 16,500,000 mm⁴
Cw 405,532.42 in⁶ 108,900,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1100×400×390.

Lighter in Universal beams

UB 914×305×381

Weight
381.0 kg/m (-2.3%)
Depth
951.0 mm (-14%)
Ix
6,970,000,000 mm⁴ (-31%)

Heavier in Universal beams

UB 1016×305×393

Weight
393.0 kg/m (+0.8%)
Depth
1,016.0 mm (-7.6%)
Ix
8,080,000,000 mm⁴ (-20%)

Closest Iₓ in Universal beams

UB 1016×305×494

Weight
494.0 kg/m (+27%)
Depth
1,036.0 mm (-5.8%)
Ix
10,280,000,000 mm⁴ (+1.2%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology