Steel Beam Sizes / UK / UB Tees / T 178×305×50

T 178×305×50 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 178×305×50 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 33.67 lb/ft 50.10 kg/m
Depth, d 11.96 in 303.70 mm
Flange width, bf 7.06 in 179.20 mm
tw 0.445 in 11.300 mm
tf 0.677 in 17.200 mm
Area 9.90 in² 6,390.00 mm²
Ix 141.51 in⁴ 58,900,000 mm⁴
Iy 19.92 in⁴ 8,290,000 mm⁴
Sx 16.48 in³ 270,000.00 mm³
Sy 5.64 in³ 92,500.00 mm³
Zx 29.90 in³ 490,000.00 mm³
Zy 9.03 in³ 148,000.00 mm³
rx 3.78 in 96.00 mm
ry 1.42 in 36.00 mm
J 1.14 in⁴ 473,000.00 mm⁴
Cw 4.58 in⁶ 1,230,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 178×305×50.

Lighter in Tees split from universal beams

T 191×229×49

Weight
49.1 kg/m (-2.0%)
Depth
233.5 mm (-23%)
Ix
29,700,000 mm⁴ (-50%)

Heavier in Tees split from universal beams

T 210×267×51

Weight
50.5 kg/m (+0.8%)
Depth
268.3 mm (-12%)
Ix
42,500,000 mm⁴ (-28%)

Closest Iₓ in Tees split from universal beams

T 210×267×69

Weight
69.1 kg/m (+38%)
Depth
274.5 mm (-9.6%)
Ix
59,900,000 mm⁴ (+1.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology