Steel Beam Sizes / UK / Universal Beams / UB 920×420×588

UB 920×420×588 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 920×420×588 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 395.12 lb/ft 588.00 kg/m
Depth, d 38.39 in 975.00 mm
Flange width, bf 16.81 in 427.00 mm
tw 1.220 in 31.000 mm
tf 2.201 in 55.900 mm
Area 115.94 in² 74,800.00 mm²
Ix 28,373.64 in⁴ 11,810,000,000 mm⁴
Iy 1,749.03 in⁴ 728,000,000 mm⁴
Sx 1,476.77 in³ 24,200,000 mm³
Sy 208.09 in³ 3,410,000 mm³
Zx 1,696.46 in³ 27,800,000 mm³
Zy 324.04 in³ 5,310,000 mm³
rx 15.63 in 397.00 mm
ry 3.88 in 98.60 mm
J 139.59 in⁴ 58,100,000 mm⁴
Cw 570,501.07 in⁶ 153,200,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 920×420×588.

Lighter in Universal beams

UB 1016×305×584

Weight
584.0 kg/m (-0.7%)
Depth
1,056.0 mm (+8.3%)
Ix
12,460,000,000 mm⁴ (+5.5%)

Heavier in Universal beams

UB 1000×400×591

Weight
591.0 kg/m (+0.5%)
Depth
1,040.0 mm (+6.7%)
Ix
13,310,000,000 mm⁴ (+13%)

Closest Iₓ in Universal beams

UB 1000×400×539

Weight
539.0 kg/m (-8.3%)
Depth
1,030.0 mm (+5.6%)
Ix
12,030,000,000 mm⁴ (+1.9%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology