Steel Beam Sizes / UK / Universal Beams / UB 1000×400×591

UB 1000×400×591 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 1000×400×591 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 397.13 lb/ft 591.00 kg/m
Depth, d 40.94 in 1,040.00 mm
Flange width, bf 16.10 in 409.00 mm
tw 1.220 in 31.000 mm
tf 2.201 in 55.900 mm
Area 116.72 in² 75,300.00 mm²
Ix 31,977.40 in⁴ 13,310,000,000 mm⁴
Iy 1,537.61 in⁴ 640,000,000 mm⁴
Sx 1,562.21 in³ 25,600,000 mm³
Sy 191.00 in³ 3,130,000 mm³
Zx 1,800.20 in³ 29,500,000 mm³
Zy 300.24 in³ 4,920,000 mm³
rx 16.57 in 421.00 mm
ry 3.63 in 92.20 mm
J 141.75 in⁴ 59,000,000 mm⁴
Cw 574,597.36 in⁶ 154,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 1000×400×591.

Lighter in Universal beams

UB 920×420×588

Weight
588.0 kg/m (-0.5%)
Depth
975.0 mm (-6.2%)
Ix
11,810,000,000 mm⁴ (-11%)

Heavier in Universal beams

UB 1100×400×607

Weight
607.0 kg/m (+2.7%)
Depth
1,138.0 mm (+9.4%)
Ix
16,240,000,000 mm⁴ (+22%)

Closest Iₓ in Universal beams

UB 920×420×656

Weight
656.0 kg/m (+11%)
Depth
987.0 mm (-5.1%)
Ix
13,350,000,000 mm⁴ (+0.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology