Steel Beam Sizes / UK / Universal Beams / UB 920×420×368

UB 920×420×368 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 920×420×368 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 247.28 lb/ft 368.00 kg/m
Depth, d 36.65 in 931.00 mm
Flange width, bf 16.50 in 419.00 mm
tw 0.799 in 20.300 mm
tf 1.350 in 34.300 mm
Area 72.23 in² 46,600.00 mm²
Ix 16,625.37 in⁴ 6,920,000,000 mm⁴
Iy 1,011.46 in⁴ 421,000,000 mm⁴
Sx 909.25 in³ 14,900,000 mm³
Sy 122.66 in³ 2,010,000 mm³
Zx 1,025.20 in³ 16,800,000 mm³
Zy 189.17 in³ 3,100,000 mm³
rx 15.20 in 386.00 mm
ry 3.74 in 95.10 mm
J 33.88 in⁴ 14,100,000 mm⁴
Cw 315,414.10 in⁶ 84,700,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 920×420×368.

Lighter in Universal beams

UB 1016×305×350

Weight
350.0 kg/m (-4.9%)
Depth
1,008.0 mm (+8.3%)
Ix
7,230,000,000 mm⁴ (+4.5%)

Heavier in Universal beams

UB 1000×400×371

Weight
371.0 kg/m (+0.8%)
Depth
1,000.0 mm (+7.4%)
Ix
8,140,000,000 mm⁴ (+18%)

Closest Iₓ in Universal beams

UB 1000×400×321

Weight
321.0 kg/m (-13%)
Depth
990.0 mm (+6.3%)
Ix
6,960,000,000 mm⁴ (+0.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology