Steel Beam Sizes / AISC / WT Tees / WT18x180.5

WT18x180.5 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

WT18x180.5 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 180.50 lb/ft 269.00 kg/m
Depth, d 19.00 in 483.00 mm
Flange width, bf 16.70 in 424.00 mm
tw 1.120 in 28.400 mm
tf 2.010 in 51.100 mm
Area 53.00 in² 34,200.00 mm²
Ix 1,570.00 in⁴ 653,000,000 mm⁴
Iy 786.00 in⁴ 327,000,000 mm⁴
Sx 107.00 in³ 1,750,000 mm³
Sy 94.00 in³ 1,540,000 mm³
Zx 192.00 in³ 3,150,000 mm³
Zy 146.00 in³ 2,390,000 mm³
rx 5.43 in 138.00 mm
ry 3.85 in 97.80 mm
J 54.10 in⁴ 22,500,000 mm⁴
Cw 491.00 in⁶ 132,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT18x180.5.

Lighter in WT18

WT18x175

Weight
175.0 lb/ft (-3.0%)
Depth
19.30 in (+1.6%)
Ix
1,720.0 in⁴ (+9.6%)

Heavier in WT18

WT18x193.5

Weight
193.5 lb/ft (+7.2%)
Depth
19.50 in (+2.6%)
Ix
1,910.0 in⁴ (+22%)

Closest Iₓ in WT18

WT18x159

Weight
159.0 lb/ft (-12%)
Depth
19.10 in (+0.5%)
Ix
1,530.0 in⁴ (-2.5%)

Similar weight in WT20

WT20x181

Weight
181.0 lb/ft (+0.3%)
Depth
20.30 in (+6.8%)
Ix
1,870.0 in⁴ (+19%)
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Source: AISC Shapes Database v16.0 · Methodology