Steel Beam Sizes / AISC / WT Tees / WT18x159

WT18x159 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

WT18x159 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 159.00 lb/ft 237.00 kg/m
Depth, d 19.10 in 485.00 mm
Flange width, bf 12.40 in 315.00 mm
tw 1.180 in 30.000 mm
tf 2.130 in 54.100 mm
Area 46.70 in² 30,100.00 mm²
Ix 1,530.00 in⁴ 637,000,000 mm⁴
Iy 341.00 in⁴ 142,000,000 mm⁴
Sx 110.00 in³ 1,800,000 mm³
Sy 55.00 in³ 901,000.00 mm³
Zx 197.00 in³ 3,230,000 mm³
Zy 87.90 in³ 1,440,000 mm³
rx 5.72 in 145.00 mm
ry 2.70 in 68.60 mm
J 48.90 in⁴ 20,400,000 mm⁴
Cw 396.00 in⁶ 106,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT18x159.

Lighter in WT18

WT18x151

Weight
151.0 lb/ft (-5.0%)
Depth
18.70 in (-2.1%)
Ix
1,280.0 in⁴ (-16%)

Heavier in WT18

WT18x165

Weight
165.0 lb/ft (+3.8%)
Depth
18.80 in (-1.6%)
Ix
1,410.0 in⁴ (-7.8%)

Closest Iₓ in WT18

WT18x180.5

Weight
180.5 lb/ft (+14%)
Depth
19.00 in (-0.5%)
Ix
1,570.0 in⁴ (+2.6%)

Similar weight in WT16

WT16.5x159

Weight
159.0 lb/ft (0.0%)
Depth
17.60 in (-7.9%)
Ix
1,160.0 in⁴ (-24%)
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Source: AISC Shapes Database v16.0 · Methodology