Steel Beam Sizes / UK / UB Tees / T 127×178×20

T 127×178×20 Steel Beam Dimensions and Properties

UK Tees split from universal beams · v2023.11

Analyze in Beam Calculator Back to UB Tees

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

Units

Section diagram

T 127×178×20 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 13.10 lb/ft 19.50 kg/m
Depth, d 6.95 in 176.60 mm
Flange width, bf 4.96 in 126.00 mm
tw 0.260 in 6.600 mm
tf 0.421 in 10.700 mm
Area 3.86 in² 2,490.00 mm²
Ix 17.49 in⁴ 7,280,000 mm⁴
Iy 4.30 in⁴ 1,790,000 mm⁴
Sx 3.36 in³ 55,000.00 mm³
Sy 1.73 in³ 28,400.00 mm³
Zx 5.98 in³ 98,000.00 mm³
Zy 2.72 in³ 44,500.00 mm³
rx 2.13 in 54.10 mm
ry 1.06 in 26.80 mm
J 0.18 in⁴ 75,300.00 mm⁴
Cw 0.21 in⁶ 57,100,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus T 127×178×20.

Lighter in Tees split from universal beams

T 127×152×19

Weight
18.5 kg/m (-5.1%)
Depth
152.1 mm (-14%)
Ix
5,010,000 mm⁴ (-31%)

Heavier in Tees split from universal beams

T 165×152×20

Weight
20.1 kg/m (+3.1%)
Depth
151.6 mm (-14%)
Ix
4,680,000 mm⁴ (-36%)

Closest Iₓ in Tees split from universal beams

T 127×152×24

Weight
24.0 kg/m (+23%)
Depth
155.4 mm (-12%)
Ix
6,620,000 mm⁴ (-9.1%)
Analyze in Beam Calculator Compare in UB Tees finder

Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Methodology