Steel Beam Sizes / UK / Universal Beams / UB 1000×400×443

UB 1000×400×443 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 1000×400×443 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 297.68 lb/ft 443.00 kg/m
Depth, d 39.84 in 1,012.00 mm
Flange width, bf 15.83 in 402.00 mm
tw 0.929 in 23.600 mm
tf 1.650 in 41.900 mm
Area 87.42 in² 56,400.00 mm²
Ix 23,208.24 in⁴ 9,660,000,000 mm⁴
Iy 1,093.14 in⁴ 455,000,000 mm⁴
Sx 1,165.55 in³ 19,100,000 mm³
Sy 137.91 in³ 2,260,000 mm³
Zx 1,330.32 in³ 21,800,000 mm³
Zy 215.41 in³ 3,530,000 mm³
rx 16.30 in 414.00 mm
ry 3.54 in 89.80 mm
J 61.02 in⁴ 25,400,000 mm⁴
Cw 397,339.85 in⁶ 106,700,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1000×400×443.

Lighter in Universal beams

UB 1016×305×438

Weight
438.0 kg/m (-1.1%)
Depth
1,026.0 mm (+1.4%)
Ix
9,090,000,000 mm⁴ (-5.9%)

Heavier in Universal beams

UB 920×420×449

Weight
449.0 kg/m (+1.4%)
Depth
948.0 mm (-6.3%)
Ix
8,750,000,000 mm⁴ (-9.4%)

Closest Iₓ in Universal beams

UB 920×420×491

Weight
491.0 kg/m (+11%)
Depth
957.0 mm (-5.4%)
Ix
9,660,000,000 mm⁴ (0.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology