Steel Beam Sizes / UK / UB Tees / T 178×203×34

T 178×203×34 Steel Beam Dimensions and Properties

UK Tees split from universal beams · v2023.11

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

Units

Section diagram

T 178×203×34 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 22.51 lb/ft 33.50 kg/m
Depth, d 8.06 in 204.60 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 6.63 in² 4,280.00 mm²
Ix 37.72 in⁴ 15,700,000 mm⁴
Iy 16.39 in⁴ 6,820,000 mm⁴
Sx 6.10 in³ 100,000.00 mm³
Sy 4.66 in³ 76,300.00 mm³
Zx 10.80 in³ 177,000.00 mm³
Zy 7.20 in³ 118,000.00 mm³
rx 2.39 in 60.70 mm
ry 1.57 in 39.90 mm
J 0.55 in⁴ 230,000.00 mm⁴
Cw 0.98 in⁶ 262,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 178×203×34.

Lighter in Tees split from universal beams

T 165×267×33

Weight
32.8 kg/m (-2.1%)
Depth
262.4 mm (+28%)
Ix
29,600,000 mm⁴ (+89%)

Heavier in Tees split from universal beams

T 152×229×34

Weight
33.6 kg/m (+0.3%)
Depth
228.9 mm (+12%)
Ix
21,200,000 mm⁴ (+35%)

Closest Iₓ in Tees split from universal beams

T 152×229×26

Weight
26.1 kg/m (-22%)
Depth
224.8 mm (+9.9%)
Ix
16,700,000 mm⁴ (+6.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology