Steel Beam Sizes / UK / Universal Beams / UB 914×305×381

UB 914×305×381 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 914×305×381 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 256.02 lb/ft 381.00 kg/m
Depth, d 37.44 in 951.00 mm
Flange width, bf 12.20 in 310.00 mm
tw 0.961 in 24.400 mm
tf 1.728 in 43.900 mm
Area 75.33 in² 48,600.00 mm²
Ix 16,745.49 in⁴ 6,970,000,000 mm⁴
Iy 526.15 in⁴ 219,000,000 mm⁴
Sx 890.95 in³ 14,600,000 mm³
Sy 86.04 in³ 1,410,000 mm³
Zx 1,037.40 in³ 17,000,000 mm³
Zy 136.69 in³ 2,240,000 mm³
rx 14.92 in 379.00 mm
ry 2.65 in 67.20 mm
J 52.86 in⁴ 22,000,000 mm⁴
Cw 166,830.60 in⁶ 44,800,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 914×305×381.

Lighter in Universal beams

UB 1000×400×371

Weight
371.0 kg/m (-2.6%)
Depth
1,000.0 mm (+5.2%)
Ix
8,140,000,000 mm⁴ (+17%)

Heavier in Universal beams

UB 1100×400×390

Weight
390.0 kg/m (+2.4%)
Depth
1,100.0 mm (+16%)
Ix
10,160,000,000 mm⁴ (+46%)

Closest Iₓ in Universal beams

UB 1000×400×321

Weight
321.0 kg/m (-16%)
Depth
990.0 mm (+4.1%)
Ix
6,960,000,000 mm⁴ (-0.1%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology