Steel Beam Sizes / AISC / WT Tees / WT20x117.5

WT20x117.5 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

WT20x117.5 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 117.50 lb/ft 175.00 kg/m
Depth, d 19.80 in 503.00 mm
Flange width, bf 11.90 in 302.00 mm
tw 0.830 in 21.100 mm
tf 1.580 in 40.100 mm
Area 34.60 in² 22,300.00 mm²
Ix 1,260.00 in⁴ 524,000,000 mm⁴
Iy 222.00 in⁴ 92,400,000 mm⁴
Sx 85.70 in³ 1,400,000 mm³
Sy 37.30 in³ 611,000.00 mm³
Zx 153.00 in³ 2,510,000 mm³
Zy 59.00 in³ 967,000.00 mm³
rx 6.04 in 153.00 mm
ry 2.54 in 64.50 mm
J 20.60 in⁴ 8,570,000 mm⁴
Cw 156.00 in⁶ 41,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT20x117.5.

Lighter in WT20

WT20x107.5

Weight
107.5 lb/ft (-8.5%)
Depth
19.50 in (-1.5%)
Ix
1,030.0 in⁴ (-18%)

Heavier in WT20

WT20x124.5

Weight
124.5 lb/ft (+6.0%)
Depth
19.70 in (-0.5%)
Ix
1,210.0 in⁴ (-4.0%)

Closest Iₓ in WT20

WT20x138.5

Weight
138.5 lb/ft (+18%)
Depth
19.80 in (0.0%)
Ix
1,360.0 in⁴ (+7.9%)

Similar weight in WT18

WT18x116

Weight
116.0 lb/ft (-1.3%)
Depth
18.60 in (-6.1%)
Ix
1,080.0 in⁴ (-14%)
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Source: AISC Shapes Database v16.0 · Methodology