Steel Beam Sizes / UK / Universal Beams / UB 920×420×1077

UB 920×420×1077 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 920×420×1077 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 723.71 lb/ft 1,077.00 kg/m
Depth, d 41.77 in 1,061.00 mm
Flange width, bf 17.76 in 451.00 mm
tw 2.165 in 55.000 mm
tf 3.902 in 99.100 mm
Area 212.66 in² 137,200.00 mm²
Ix 57,107.65 in⁴ 23,770,000,000 mm⁴
Iy 3,675.84 in⁴ 1,530,000,000 mm⁴
Sx 2,733.86 in³ 44,800,000 mm³
Sy 413.13 in³ 6,770,000 mm³
Zx 3,258.67 in³ 53,400,000 mm³
Zy 652.95 in³ 10,700,000 mm³
rx 16.38 in 416.00 mm
ry 4.17 in 106.00 mm
J 783.22 in⁴ 326,000,000 mm⁴
Cw 1,306,343.19 in⁶ 350,800,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 920×420×1077.

Lighter in Universal beams

UB 1000×400×976

Weight
976.0 kg/m (-9.4%)
Depth
1,108.0 mm (+4.4%)
Ix
23,490,000,000 mm⁴ (-1.2%)

Heavier in Universal beams

UB 920×420×1194

Weight
1,194.0 kg/m (+11%)
Depth
1,081.0 mm (+1.9%)
Ix
26,940,000,000 mm⁴ (+13%)

Closest Iₓ in Universal beams

UB 920×420×970

Weight
970.0 kg/m (-9.9%)
Depth
1,043.0 mm (-1.7%)
Ix
21,000,000,000 mm⁴ (-12%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology