Steel Beam Sizes / UK / Universal Beams / UB 406×178×67

UB 406×178×67 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 406×178×67 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 45.09 lb/ft 67.10 kg/m
Depth, d 16.12 in 409.40 mm
Flange width, bf 7.04 in 178.80 mm
tw 0.346 in 8.800 mm
tf 0.563 in 14.300 mm
Area 13.25 in² 8,550.00 mm²
Ix 583.81 in⁴ 243,000,000 mm⁴
Iy 32.67 in⁴ 13,600,000 mm⁴
Sx 72.62 in³ 1,190,000 mm³
Sy 9.34 in³ 153,000.00 mm³
Zx 82.38 in³ 1,350,000 mm³
Zy 14.46 in³ 237,000.00 mm³
rx 6.65 in 169.00 mm
ry 1.57 in 39.90 mm
J 1.11 in⁴ 461,000.00 mm⁴
Cw 1,981.11 in⁶ 532,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus UB 406×178×67.

Lighter in Universal beams

UB 533×165×66

Weight
66.0 kg/m (-1.6%)
Depth
525.0 mm (+28%)
Ix
351,000,000 mm⁴ (+44%)

Heavier in Universal beams

UB 457×152×67

Weight
67.2 kg/m (+0.1%)
Depth
458.0 mm (+12%)
Ix
289,000,000 mm⁴ (+19%)

Closest Iₓ in Universal beams

UB 457×152×60

Weight
59.8 kg/m (-11%)
Depth
454.6 mm (+11%)
Ix
255,000,000 mm⁴ (+4.9%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology