Steel Beam Sizes / AISC / WT Tees / WT16.5x120.5

WT16.5x120.5 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

WT16.5x120.5 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 120.50 lb/ft 180.00 kg/m
Depth, d 17.10 in 434.00 mm
Flange width, bf 15.90 in 404.00 mm
tw 0.830 in 21.100 mm
tf 1.400 in 35.600 mm
Area 35.60 in² 23,000.00 mm²
Ix 872.00 in⁴ 363,000,000 mm⁴
Iy 466.00 in⁴ 194,000,000 mm⁴
Sx 65.80 in³ 1,080,000 mm³
Sy 58.80 in³ 964,000.00 mm³
Zx 116.00 in³ 1,900,000 mm³
Zy 90.80 in³ 1,490,000 mm³
rx 4.96 in 126.00 mm
ry 3.62 in 91.90 mm
J 18.00 in⁴ 7,490,000 mm⁴
Cw 146.00 in⁶ 39,200,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT16.5x120.5.

Lighter in WT16

WT16.5x110.5

Weight
110.5 lb/ft (-8.3%)
Depth
17.00 in (-0.6%)
Ix
799.0 in⁴ (-8.4%)

Heavier in WT16

WT16.5x131.5

Weight
131.5 lb/ft (+9.1%)
Depth
17.30 in (+1.2%)
Ix
943.0 in⁴ (+8.1%)

Closest Iₓ in WT16

WT16.5x100.5

Weight
100.5 lb/ft (-17%)
Depth
16.80 in (-1.8%)
Ix
725.0 in⁴ (-17%)

Similar weight in WT18

WT18x123.5

Weight
123.5 lb/ft (+2.5%)
Depth
18.30 in (+7.0%)
Ix
1,040.0 in⁴ (+19%)
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Source: AISC Shapes Database v16.0 · Methodology