Steel Beam Sizes / UK / UB Tees / T 178×203×30

T 178×203×30 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 178×203×30 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 20.16 lb/ft 30.00 kg/m
Depth, d 8.00 in 203.10 mm
Flange width, bf 7.00 in 177.90 mm
tw 0.311 in 7.900 mm
tf 0.504 in 12.800 mm
Area 5.94 in² 3,830.00 mm²
Ix 33.64 in⁴ 14,000,000 mm⁴
Iy 14.46 in⁴ 6,020,000 mm⁴
Sx 5.43 in³ 89,000.00 mm³
Sy 4.13 in³ 67,600.00 mm³
Zx 9.58 in³ 157,000.00 mm³
Zy 6.35 in³ 104,000.00 mm³
rx 2.38 in 60.40 mm
ry 1.56 in 39.70 mm
J 0.40 in⁴ 166,000.00 mm⁴
Cw 0.69 in⁶ 186,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 178×203×30.

Lighter in Tees split from universal beams

T 152×229×30

Weight
29.9 kg/m (-0.3%)
Depth
227.2 mm (+12%)
Ix
18,800,000 mm⁴ (+34%)

Heavier in Tees split from universal beams

T 165×267×33

Weight
32.8 kg/m (+9.3%)
Depth
262.4 mm (+29%)
Ix
29,600,000 mm⁴ (+111%)

Closest Iₓ in Tees split from universal beams

T 140×203×27

Weight
26.6 kg/m (-11%)
Depth
203.3 mm (+0.1%)
Ix
13,200,000 mm⁴ (-5.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology