Steel Beam Sizes / AISC / WT Tees / WT18x165

WT18x165 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

WT18x165 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 165.00 lb/ft 246.00 kg/m
Depth, d 18.80 in 478.00 mm
Flange width, bf 16.60 in 422.00 mm
tw 1.020 in 25.900 mm
tf 1.850 in 47.000 mm
Area 48.40 in² 31,200.00 mm²
Ix 1,410.00 in⁴ 587,000,000 mm⁴
Iy 711.00 in⁴ 296,000,000 mm⁴
Sx 97.00 in³ 1,590,000 mm³
Sy 85.50 in³ 1,400,000 mm³
Zx 173.00 in³ 2,830,000 mm³
Zy 132.00 in³ 2,160,000 mm³
rx 5.39 in 137.00 mm
ry 3.83 in 97.30 mm
J 42.00 in⁴ 17,500,000 mm⁴
Cw 372.00 in⁶ 99,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT18x165.

Lighter in WT18

WT18x159

Weight
159.0 lb/ft (-3.6%)
Depth
19.10 in (+1.6%)
Ix
1,530.0 in⁴ (+8.5%)

Heavier in WT18

WT18x175

Weight
175.0 lb/ft (+6.1%)
Depth
19.30 in (+2.7%)
Ix
1,720.0 in⁴ (+22%)

Closest Iₓ in WT18

WT18x143

Weight
143.0 lb/ft (-13%)
Depth
18.90 in (+0.5%)
Ix
1,360.0 in⁴ (-3.5%)

Similar weight in WT20

WT20x165.5

Weight
165.5 lb/ft (+0.3%)
Depth
20.40 in (+8.5%)
Ix
1,880.0 in⁴ (+33%)
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Source: AISC Shapes Database v16.0 · Methodology