Steel Beam Sizes / CISC / WT Tees / WT305×70

WT305×70 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

WT305×70 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 47.00 lb/ft 70.00 kg/m
Depth, d 12.17 in 309.00 mm
Flange width, bf 9.06 in 230.00 mm
tw 0.516 in 13.100 mm
tf 0.874 in 22.200 mm
Area 13.84 in² 8,930.00 mm²
Ix 186.92 in⁴ 77,800,000 mm⁴
Iy 54.30 in⁴ 22,600,000 mm⁴
Sx 20.38 in³ 334,000.00 mm³
Sy 11.96 in³ 196,000.00 mm³
rx 3.67 in 93.30 mm
ry 1.98 in 50.30 mm
J 2.62 in⁴ 1,090,000 mm⁴
Cw 9.61 in⁶ 2,580,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT305×70.

Lighter in WT305

WT305×62.5

Weight
62.5 kg/m (-11%)
Depth
306.0 mm (-1.0%)
Ix
69,000,000 mm⁴ (-11%)

Heavier in WT305

WT305×77.5

Weight
77.5 kg/m (+11%)
Depth
306.0 mm (-1.0%)
Ix
78,900,000 mm⁴ (+1.4%)

Closest Iₓ in WT305

WT305×87

Weight
87.0 kg/m (+24%)
Depth
308.0 mm (-0.3%)
Ix
88,300,000 mm⁴ (+13%)

Similar weight in WT345

WT345×70

Weight
70.0 kg/m (0.0%)
Depth
342.0 mm (+11%)
Ix
99,300,000 mm⁴ (+28%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Imported; readily available in Canada. · Methodology