Steel Beam Sizes / AISC / WT Tees / WT18x151

WT18x151 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

WT18x151 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 151.00 lb/ft 225.00 kg/m
Depth, d 18.70 in 475.00 mm
Flange width, bf 16.70 in 424.00 mm
tw 0.945 in 24.000 mm
tf 1.680 in 42.700 mm
Area 44.50 in² 28,700.00 mm²
Ix 1,280.00 in⁴ 533,000,000 mm⁴
Iy 648.00 in⁴ 270,000,000 mm⁴
Sx 88.80 in³ 1,460,000 mm³
Sy 77.80 in³ 1,270,000 mm³
Zx 158.00 in³ 2,590,000 mm³
Zy 120.00 in³ 1,970,000 mm³
rx 5.37 in 136.00 mm
ry 3.82 in 97.00 mm
J 32.10 in⁴ 13,400,000 mm⁴
Cw 285.00 in⁶ 76,500,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT18x151.

Lighter in WT18

WT18x143

Weight
143.0 lb/ft (-5.3%)
Depth
18.90 in (+1.1%)
Ix
1,360.0 in⁴ (+6.3%)

Heavier in WT18

WT18x159

Weight
159.0 lb/ft (+5.3%)
Depth
19.10 in (+2.1%)
Ix
1,530.0 in⁴ (+20%)

Closest Iₓ in WT18

WT18x128

Weight
128.0 lb/ft (-15%)
Depth
18.70 in (0.0%)
Ix
1,210.0 in⁴ (-5.5%)

Similar weight in WT20

WT20x148.5

Weight
148.5 lb/ft (-1.7%)
Depth
19.90 in (+6.4%)
Ix
1,500.0 in⁴ (+17%)
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Source: AISC Shapes Database v16.0 · Methodology