Steel Beam Sizes / AISC / WT Tees / WT20x83.5

WT20x83.5 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

WT20x83.5 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 83.50 lb/ft 125.00 kg/m
Depth, d 19.30 in 490.00 mm
Flange width, bf 11.80 in 300.00 mm
tw 0.650 in 16.500 mm
tf 1.030 in 26.200 mm
Area 24.50 in² 15,800.00 mm²
Ix 899.00 in⁴ 374,000,000 mm⁴
Iy 141.00 in⁴ 58,700,000 mm⁴
Sx 63.70 in³ 1,040,000 mm³
Sy 23.90 in³ 392,000.00 mm³
Zx 115.00 in³ 1,880,000 mm³
Zy 37.80 in³ 619,000.00 mm³
rx 6.05 in 154.00 mm
ry 2.40 in 61.00 mm
J 6.99 in⁴ 2,910,000 mm⁴
Cw 62.90 in⁶ 16,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT20x83.5.

Lighter in WT20

WT20x74.5

Weight
74.5 lb/ft (-11%)
Depth
19.10 in (-1.0%)
Ix
815.0 in⁴ (-9.3%)

Heavier in WT20

WT20x91.5

Weight
91.5 lb/ft (+9.6%)
Depth
19.50 in (+1.0%)
Ix
955.0 in⁴ (+6.2%)

Closest Iₓ in WT20

WT20x99.5

Weight
99.5 lb/ft (+19%)
Depth
19.30 in (0.0%)
Ix
988.0 in⁴ (+9.9%)

Similar weight in WT18

WT18x85

Weight
85.0 lb/ft (+1.8%)
Depth
18.10 in (-6.2%)
Ix
786.0 in⁴ (-13%)
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Source: AISC Shapes Database v16.0 · Methodology