Steel Beam Sizes / UK / Universal Beams / UB 686×254×192

UB 686×254×192 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 686×254×192 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 129.02 lb/ft 192.00 kg/m
Depth, d 27.64 in 702.00 mm
Flange width, bf 10.00 in 254.00 mm
tw 0.610 in 15.500 mm
tf 1.098 in 27.900 mm
Area 37.82 in² 24,400.00 mm²
Ix 4,756.97 in⁴ 1,980,000,000 mm⁴
Iy 183.55 in⁴ 76,400,000 mm⁴
Sx 344.17 in³ 5,640,000 mm³
Sy 36.74 in³ 602,000.00 mm³
Zx 394.21 in³ 6,460,000 mm³
Zy 57.42 in³ 941,000.00 mm³
rx 11.22 in 285.00 mm
ry 2.20 in 56.00 mm
J 11.10 in⁴ 4,620,000 mm⁴
Cw 32,248.95 in⁶ 8,660,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 686×254×192.

Lighter in Universal beams

UB 610×305×179

Weight
179.0 kg/m (-6.8%)
Depth
620.2 mm (-12%)
Ix
1,530,000,000 mm⁴ (-23%)

Heavier in Universal beams

UB 838×292×194

Weight
194.0 kg/m (+1.0%)
Depth
840.7 mm (+20%)
Ix
2,790,000,000 mm⁴ (+41%)

Closest Iₓ in Universal beams

UB 762×267×173

Weight
173.0 kg/m (-9.9%)
Depth
762.2 mm (+8.6%)
Ix
2,050,000,000 mm⁴ (+3.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology