Steel Beam Sizes / UK / UB Tees / T 305×305×90

T 305×305×90 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 305×305×90 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 60.14 lb/ft 89.50 kg/m
Depth, d 12.20 in 310.00 mm
Flange width, bf 12.09 in 307.10 mm
tw 0.555 in 14.100 mm
tf 0.929 in 23.600 mm
Area 17.67 in² 11,400.00 mm²
Ix 217.19 in⁴ 90,400,000 mm⁴
Iy 136.94 in⁴ 57,000,000 mm⁴
Sx 22.70 in³ 372,000.00 mm³
Sy 22.64 in³ 371,000.00 mm³
Zx 40.03 in³ 656,000.00 mm³
Zy 34.91 in³ 572,000.00 mm³
rx 3.51 in 89.10 mm
ry 2.78 in 70.70 mm
J 4.08 in⁴ 1,700,000 mm⁴
Cw 17.54 in⁶ 4,710,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 305×305×90.

Lighter in Tees split from universal beams

T 191×229×81

Weight
80.7 kg/m (-9.8%)
Depth
246.0 mm (-21%)
Ix
51,600,000 mm⁴ (-43%)

Heavier in Tees split from universal beams

T 312×267×91

Weight
90.7 kg/m (+1.3%)
Depth
275.6 mm (-11%)
Ix
68,900,000 mm⁴ (-24%)

Closest Iₓ in Tees split from universal beams

T 254×343×63

Weight
62.6 kg/m (-30%)
Depth
338.9 mm (+9.3%)
Ix
89,800,000 mm⁴ (-0.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology