Steel Beam Sizes / AISC / WT Tees / WT20x105.5

WT20x105.5 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

WT20x105.5 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 105.50 lb/ft 157.00 kg/m
Depth, d 19.70 in 500.00 mm
Flange width, bf 11.80 in 300.00 mm
tw 0.750 in 19.100 mm
tf 1.420 in 36.100 mm
Area 31.10 in² 20,100.00 mm²
Ix 1,120.00 in⁴ 466,000,000 mm⁴
Iy 195.00 in⁴ 81,200,000 mm⁴
Sx 76.70 in³ 1,260,000 mm³
Sy 33.00 in³ 541,000.00 mm³
Zx 137.00 in³ 2,250,000 mm³
Zy 52.10 in³ 854,000.00 mm³
rx 6.01 in 153.00 mm
ry 2.51 in 63.80 mm
J 15.20 in⁴ 6,330,000 mm⁴
Cw 113.00 in⁶ 30,300,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT20x105.5.

Lighter in WT20

WT20x99.5

Weight
99.5 lb/ft (-5.7%)
Depth
19.30 in (-2.0%)
Ix
988.0 in⁴ (-12%)

Heavier in WT20

WT20x107.5

Weight
107.5 lb/ft (+1.9%)
Depth
19.50 in (-1.0%)
Ix
1,030.0 in⁴ (-8.0%)

Closest Iₓ in WT20

WT20x124.5

Weight
124.5 lb/ft (+18%)
Depth
19.70 in (0.0%)
Ix
1,210.0 in⁴ (+8.0%)

Similar weight in WT18

WT18x105

Weight
105.0 lb/ft (-0.5%)
Depth
18.30 in (-7.1%)
Ix
985.0 in⁴ (-12%)
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Source: AISC Shapes Database v16.0 · Methodology