Steel Beam Sizes / AISC / WT Tees / WT20x148.5

WT20x148.5 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

WT20x148.5 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 148.50 lb/ft 222.00 kg/m
Depth, d 19.90 in 505.00 mm
Flange width, bf 15.80 in 401.00 mm
tw 0.930 in 23.600 mm
tf 1.650 in 41.900 mm
Area 43.60 in² 28,100.00 mm²
Ix 1,500.00 in⁴ 624,000,000 mm⁴
Iy 546.00 in⁴ 227,000,000 mm⁴
Sx 98.90 in³ 1,620,000 mm³
Sy 69.00 in³ 1,130,000 mm³
Zx 176.00 in³ 2,880,000 mm³
Zy 107.00 in³ 1,750,000 mm³
rx 5.87 in 149.00 mm
ry 3.54 in 89.90 mm
J 30.50 in⁴ 12,700,000 mm⁴
Cw 279.00 in⁶ 74,900,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT20x148.5.

Lighter in WT20

WT20x147

Weight
147.0 lb/ft (-1.0%)
Depth
20.20 in (+1.5%)
Ix
1,630.0 in⁴ (+8.7%)

Heavier in WT20

WT20x162

Weight
162.0 lb/ft (+9.1%)
Depth
20.10 in (+1.0%)
Ix
1,650.0 in⁴ (+10%)

Closest Iₓ in WT20

WT20x132

Weight
132.0 lb/ft (-11%)
Depth
20.00 in (+0.5%)
Ix
1,450.0 in⁴ (-3.3%)

Similar weight in WT18

WT18x151

Weight
151.0 lb/ft (+1.7%)
Depth
18.70 in (-6.0%)
Ix
1,280.0 in⁴ (-15%)
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Source: AISC Shapes Database v16.0 · Methodology