Steel Beam Sizes / UK / Universal Beams / UB 1000×400×539

UB 1000×400×539 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 1000×400×539 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 362.19 lb/ft 539.00 kg/m
Depth, d 40.55 in 1,030.00 mm
Flange width, bf 16.02 in 407.00 mm
tw 1.118 in 28.400 mm
tf 2.012 in 51.100 mm
Area 106.49 in² 68,700.00 mm²
Ix 28,902.19 in⁴ 12,030,000,000 mm⁴
Iy 1,383.85 in⁴ 576,000,000 mm⁴
Sx 1,427.96 in³ 23,400,000 mm³
Sy 172.70 in³ 2,830,000 mm³
Zx 1,635.44 in³ 26,800,000 mm³
Zy 270.95 in³ 4,440,000 mm³
rx 16.46 in 418.00 mm
ry 3.61 in 91.60 mm
J 108.83 in⁴ 45,300,000 mm⁴
Cw 512,408.27 in⁶ 137,600,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1000×400×539.

Lighter in Universal beams

UB 920×420×537

Weight
537.0 kg/m (-0.4%)
Depth
965.0 mm (-6.3%)
Ix
10,660,000,000 mm⁴ (-11%)

Heavier in Universal beams

UB 1100×400×548

Weight
548.0 kg/m (+1.7%)
Depth
1,128.0 mm (+9.5%)
Ix
14,570,000,000 mm⁴ (+21%)

Closest Iₓ in Universal beams

UB 920×420×588

Weight
588.0 kg/m (+9.1%)
Depth
975.0 mm (-5.3%)
Ix
11,810,000,000 mm⁴ (-1.8%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology