Steel Beam Sizes / UK / Universal Beams / UB 920×420×725

UB 920×420×725 Steel Beam Dimensions and Properties

UK Universal beams · v2023.11

Analyze in Beam Calculator Back to Universal Beams

Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

UB 920×420×725 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 487.18 lb/ft 725.00 kg/m
Depth, d 39.33 in 999.00 mm
Flange width, bf 17.09 in 434.00 mm
tw 1.500 in 38.100 mm
tf 2.681 in 68.100 mm
Area 143.07 in² 92,300.00 mm²
Ix 35,845.44 in⁴ 14,920,000,000 mm⁴
Iy 2,239.14 in⁴ 932,000,000 mm⁴
Sx 1,824.61 in³ 29,900,000 mm³
Sy 262.40 in³ 4,300,000 mm³
Zx 2,117.52 in³ 34,700,000 mm³
Zy 410.69 in³ 6,730,000 mm³
rx 15.83 in 402.00 mm
ry 3.98 in 101.00 mm
J 254.67 in⁴ 106,000,000 mm⁴
Cw 751,854.87 in⁶ 201,900,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 920×420×725.

Lighter in Universal beams

UB 920×420×656

Weight
656.0 kg/m (-9.5%)
Depth
987.0 mm (-1.2%)
Ix
13,350,000,000 mm⁴ (-11%)

Heavier in Universal beams

UB 1000×400×748

Weight
748.0 kg/m (+3.2%)
Depth
1,068.0 mm (+6.9%)
Ix
17,320,000,000 mm⁴ (+16%)

Closest Iₓ in Universal beams

UB 1100×400×548

Weight
548.0 kg/m (-24%)
Depth
1,128.0 mm (+13%)
Ix
14,570,000,000 mm⁴ (-2.3%)
Analyze in Beam Calculator Compare in Universal Beams finder

Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology