Steel Beam Sizes / AISC / WT Tees / WT10.5x66

WT10.5x66 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

WT10.5x66 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 66.00 lb/ft 98.00 kg/m
Depth, d 10.90 in 277.00 mm
Flange width, bf 12.40 in 315.00 mm
tw 0.650 in 16.500 mm
tf 1.040 in 26.400 mm
Area 19.40 in² 12,500.00 mm²
Ix 181.00 in⁴ 75,300,000 mm⁴
Iy 166.00 in⁴ 69,100,000 mm⁴
Sx 21.10 in³ 346,000.00 mm³
Sy 26.70 in³ 438,000.00 mm³
Zx 37.60 in³ 616,000.00 mm³
Zy 41.10 in³ 674,000.00 mm³
rx 3.06 in 77.70 mm
ry 2.93 in 74.40 mm
J 5.62 in⁴ 2,340,000 mm⁴
Cw 23.40 in⁶ 6,280,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT10.5x66.

Lighter in WT10

WT10.5x61

Weight
61.0 lb/ft (-7.6%)
Depth
10.80 in (-0.9%)
Ix
166.0 in⁴ (-8.3%)

Heavier in WT10

WT10.5x73.5

Weight
73.5 lb/ft (+11%)
Depth
11.00 in (+0.9%)
Ix
204.0 in⁴ (+13%)

Closest Iₓ in WT10

WT10.5x55.5

Weight
55.5 lb/ft (-16%)
Depth
10.80 in (-0.9%)
Ix
150.0 in⁴ (-17%)

Similar weight in WT12

WT12x65.5

Weight
65.5 lb/ft (-0.8%)
Depth
12.20 in (+12%)
Ix
238.0 in⁴ (+31%)
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Source: AISC Shapes Database v16.0 · Methodology