Steel Beam Sizes / AISC / WT Tees / WT18x326

WT18x326 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

WT18x326 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 326.00 lb/ft 485.00 kg/m
Depth, d 20.50 in 521.00 mm
Flange width, bf 17.60 in 447.00 mm
tw 1.970 in 50.000 mm
tf 3.540 in 89.900 mm
Area 96.20 in² 62,100.00 mm²
Ix 3,160.00 in⁴ 1,320,000,000 mm⁴
Iy 1,610.00 in⁴ 670,000,000 mm⁴
Sx 208.00 in³ 3,410,000 mm³
Sy 184.00 in³ 3,020,000 mm³
Zx 383.00 in³ 6,280,000 mm³
Zy 290.00 in³ 4,750,000 mm³
rx 5.74 in 146.00 mm
ry 4.10 in 104.00 mm
J 295.00 in⁴ 123,000,000 mm⁴
Cw 3,070.00 in⁶ 824,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT18x326.

Lighter in WT18

WT18x264.5

Weight
264.5 lb/ft (-19%)
Depth
19.90 in (-2.9%)
Ix
2,440.0 in⁴ (-23%)

Heavier in WT18

WT18x361.5

Weight
361.5 lb/ft (+11%)
Depth
20.90 in (+2.0%)
Ix
3,610.0 in⁴ (+14%)

Closest Iₓ in WT18

WT18x243.5

Weight
243.5 lb/ft (-25%)
Depth
19.70 in (-3.9%)
Ix
2,220.0 in⁴ (-30%)

Similar weight in WT20

WT20x327.5

Weight
327.5 lb/ft (+0.5%)
Depth
21.80 in (+6.3%)
Ix
3,730.0 in⁴ (+18%)
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Source: AISC Shapes Database v16.0 · Methodology