Steel Beam Sizes / CISC / WT Tees / WT305×77.5

WT305×77.5 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

WT305×77.5 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 52.00 lb/ft 77.50 kg/m
Depth, d 12.05 in 306.00 mm
Flange width, bf 12.76 in 324.00 mm
tw 0.500 in 12.700 mm
tf 0.748 in 19.000 mm
Area 15.30 in² 9,870.00 mm²
Ix 189.56 in⁴ 78,900,000 mm⁴
Iy 129.50 in⁴ 53,900,000 mm⁴
Sx 20.08 in³ 329,000.00 mm³
Sy 20.32 in³ 333,000.00 mm³
rx 3.52 in 89.40 mm
ry 2.91 in 73.90 mm
J 2.34 in⁴ 975,000.00 mm⁴
Cw 11.54 in⁶ 3,100,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT305×77.5.

Lighter in WT305

WT305×70

Weight
70.0 kg/m (-9.6%)
Depth
309.0 mm (+1.0%)
Ix
77,800,000 mm⁴ (-1.4%)

Heavier in WT305

WT305×87

Weight
87.0 kg/m (+13%)
Depth
308.0 mm (+0.7%)
Ix
88,300,000 mm⁴ (+12%)

Closest Iₓ in WT305

WT305×62.5

Weight
62.5 kg/m (-19%)
Depth
306.0 mm (0.0%)
Ix
69,000,000 mm⁴ (-13%)

Similar weight in WT345

WT345×76

Weight
76.0 kg/m (-1.9%)
Depth
344.0 mm (+12%)
Ix
107,000,000 mm⁴ (+36%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology