Steel Beam Sizes / AISC / WT Tees / WT20x107.5

WT20x107.5 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

WT20x107.5 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 107.50 lb/ft 161.00 kg/m
Depth, d 19.50 in 495.00 mm
Flange width, bf 15.80 in 401.00 mm
tw 0.650 in 16.500 mm
tf 1.220 in 31.000 mm
Area 31.80 in² 20,500.00 mm²
Ix 1,030.00 in⁴ 429,000,000 mm⁴
Iy 398.00 in⁴ 166,000,000 mm⁴
Sx 68.00 in³ 1,110,000 mm³
Sy 50.50 in³ 828,000.00 mm³
Zx 120.00 in³ 1,970,000 mm³
Zy 77.80 in³ 1,270,000 mm³
rx 5.71 in 145.00 mm
ry 3.54 in 89.90 mm
J 12.40 in⁴ 5,160,000 mm⁴
Cw 101.00 in⁶ 27,100,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT20x107.5.

Lighter in WT20

WT20x105.5

Weight
105.5 lb/ft (-1.9%)
Depth
19.70 in (+1.0%)
Ix
1,120.0 in⁴ (+8.7%)

Heavier in WT20

WT20x117.5

Weight
117.5 lb/ft (+9.3%)
Depth
19.80 in (+1.5%)
Ix
1,260.0 in⁴ (+22%)

Closest Iₓ in WT20

WT20x99.5

Weight
99.5 lb/ft (-7.4%)
Depth
19.30 in (-1.0%)
Ix
988.0 in⁴ (-4.1%)

Similar weight in WT18

WT18x105

Weight
105.0 lb/ft (-2.3%)
Depth
18.30 in (-6.2%)
Ix
985.0 in⁴ (-4.4%)
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Source: AISC Shapes Database v16.0 · Methodology