Steel Beam Sizes / AISC / WT Tees / WT8x13

WT8x13 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

WT8x13 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 13.00 lb/ft 19.40 kg/m
Depth, d 7.85 in 199.00 mm
Flange width, bf 5.50 in 140.00 mm
tw 0.250 in 6.350 mm
tf 0.345 in 8.760 mm
Area 3.84 in² 2,480.00 mm²
Ix 23.50 in⁴ 9,780,000 mm⁴
Iy 4.79 in⁴ 1,990,000 mm⁴
Sx 4.09 in³ 67,000.00 mm³
Sy 1.74 in³ 28,500.00 mm³
Zx 7.36 in³ 121,000.00 mm³
Zy 2.73 in³ 44,700.00 mm³
rx 2.47 in 62.70 mm
ry 1.12 in 28.40 mm
J 0.13 in⁴ 54,100.00 mm⁴
Cw 0.24 in⁶ 65,300,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT8x13.

Heavier in WT8

WT8x15.5

Weight
15.5 lb/ft (+19%)
Depth
7.94 in (+1.1%)
Ix
27.5 in⁴ (+17%)

Closest Iₓ in WT8

WT8x18

Weight
18.0 lb/ft (+38%)
Depth
7.93 in (+1.0%)
Ix
30.6 in⁴ (+30%)

Similar weight in WT7

WT7x13

Weight
13.0 lb/ft (0.0%)
Depth
6.96 in (-11%)
Ix
17.3 in⁴ (-26%)
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Source: AISC Shapes Database v16.0 · Methodology