Steel Beam Sizes / AISC / WT Tees / WT8x15.5

WT8x15.5 Steel Beam Dimensions and Properties

AISC Structural tees · v16.0

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

Units

Section diagram

WT8x15.5 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 15.50 lb/ft 23.10 kg/m
Depth, d 7.94 in 202.00 mm
Flange width, bf 5.53 in 140.00 mm
tw 0.275 in 6.990 mm
tf 0.440 in 11.200 mm
Area 4.56 in² 2,940.00 mm²
Ix 27.50 in⁴ 11,400,000 mm⁴
Iy 6.20 in⁴ 2,580,000 mm⁴
Sx 4.64 in³ 76,000.00 mm³
Sy 2.24 in³ 36,700.00 mm³
Zx 8.27 in³ 136,000.00 mm³
Zy 3.51 in³ 57,500.00 mm³
rx 2.45 in 62.20 mm
ry 1.17 in 29.70 mm
J 0.23 in⁴ 95,700.00 mm⁴
Cw 0.37 in⁶ 98,300,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT8x15.5.

Lighter in WT8

WT8x13

Weight
13.0 lb/ft (-16%)
Depth
7.85 in (-1.1%)
Ix
23.5 in⁴ (-15%)

Heavier in WT8

WT8x18

Weight
18.0 lb/ft (+16%)
Depth
7.93 in (-0.1%)
Ix
30.6 in⁴ (+11%)

Closest Iₓ in WT8

WT8x20

Weight
20.0 lb/ft (+29%)
Depth
8.01 in (+0.9%)
Ix
33.1 in⁴ (+20%)

Similar weight in WT7

WT7x15

Weight
15.0 lb/ft (-3.2%)
Depth
6.92 in (-13%)
Ix
19.0 in⁴ (-31%)
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Source: AISC Shapes Database v16.0 · Methodology