Steel Beam Sizes / CISC / WT Tees / WT180×45.5

WT180×45.5 Steel Beam Dimensions and Properties

CISC Structural tees · v12.1

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

Units

Section diagram

WT180×45.5 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 30.50 lb/ft 45.50 kg/m
Depth, d 6.97 in 177.00 mm
Flange width, bf 10.00 in 254.00 mm
tw 0.374 in 9.500 mm
tf 0.646 in 16.400 mm
Area 8.97 in² 5,790.00 mm²
Ix 29.07 in⁴ 12,100,000 mm⁴
Iy 53.82 in⁴ 22,400,000 mm⁴
Sx 5.10 in³ 83,500.00 mm³
Sy 10.74 in³ 176,000.00 mm³
rx 1.80 in 45.80 mm
ry 2.45 in 62.20 mm
J 1.10 in⁴ 456,000.00 mm⁴
Cw 2.30 in⁶ 617,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT180×45.5.

Lighter in WT180

WT180×39.5

Weight
39.5 kg/m (-13%)
Depth
177.0 mm (0.0%)
Ix
11,500,000 mm⁴ (-5.0%)

Heavier in WT180

WT180×50.5

Weight
50.5 kg/m (+11%)
Depth
179.0 mm (+1.1%)
Ix
13,700,000 mm⁴ (+13%)

Closest Iₓ in WT180

WT180×36

Weight
36.0 kg/m (-21%)
Depth
175.0 mm (-1.1%)
Ix
10,300,000 mm⁴ (-15%)

Similar weight in WT155

WT155×43

Weight
43.0 kg/m (-4.9%)
Depth
155.0 mm (-12%)
Ix
7,930,000 mm⁴ (-34%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology