Steel Beam Sizes / AISC / WT Tees / WT9x155.5

WT9x155.5 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

WT9x155.5 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 155.50 lb/ft 232.00 kg/m
Depth, d 11.20 in 284.00 mm
Flange width, bf 12.00 in 305.00 mm
tw 1.520 in 38.600 mm
tf 2.740 in 69.600 mm
Area 45.80 in² 29,500.00 mm²
Ix 383.00 in⁴ 159,000,000 mm⁴
Iy 398.00 in⁴ 166,000,000 mm⁴
Sx 46.60 in³ 764,000.00 mm³
Sy 66.20 in³ 1,080,000 mm³
Zx 90.60 in³ 1,480,000 mm³
Zy 104.00 in³ 1,700,000 mm³
rx 2.89 in 73.40 mm
ry 2.95 in 74.90 mm
J 87.20 in⁴ 36,300,000 mm⁴
Cw 339.00 in⁶ 91,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT9x155.5.

Lighter in WT9

WT9x141.5

Weight
141.5 lb/ft (-9.0%)
Depth
10.90 in (-2.7%)
Ix
337.0 in⁴ (-12%)

Closest Iₓ in WT9

WT9x129

Weight
129.0 lb/ft (-17%)
Depth
10.70 in (-4.5%)
Ix
298.0 in⁴ (-22%)

Similar weight in WT10

WT10.5x137.5

Weight
137.5 lb/ft (-12%)
Depth
12.10 in (+8.0%)
Ix
420.0 in⁴ (+9.7%)
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Source: AISC Shapes Database v16.0 · Methodology