Steel Beam Sizes / AISC / WT Tees / WT7x66

WT7x66 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

WT7x66 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 7.33 in 186.00 mm
Flange width, bf 14.70 in 373.00 mm
tw 0.645 in 16.400 mm
tf 1.030 in 26.200 mm
Area 19.40 in² 12,500.00 mm²
Ix 57.80 in⁴ 24,100,000 mm⁴
Iy 274.00 in⁴ 114,000,000 mm⁴
Sx 9.57 in³ 157,000.00 mm³
Sy 37.20 in³ 610,000.00 mm³
Zx 18.60 in³ 305,000.00 mm³
Zy 56.50 in³ 926,000.00 mm³
rx 1.73 in 43.90 mm
ry 3.76 in 95.50 mm
J 6.13 in⁴ 2,550,000 mm⁴
Cw 26.60 in⁶ 7,140,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT7x66.

Lighter in WT7

WT7x60

Weight
60.0 lb/ft (-9.1%)
Depth
7.24 in (-1.2%)
Ix
51.7 in⁴ (-11%)

Heavier in WT7

WT7x72.5

Weight
72.5 lb/ft (+9.8%)
Depth
7.39 in (+0.8%)
Ix
62.5 in⁴ (+8.1%)

Closest Iₓ in WT7

WT7x79.5

Weight
79.5 lb/ft (+20%)
Depth
7.49 in (+2.2%)
Ix
70.2 in⁴ (+21%)

Similar weight in WT6

WT6x68

Weight
68.0 lb/ft (+3.0%)
Depth
6.71 in (-8.5%)
Ix
50.6 in⁴ (-12%)
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Source: AISC Shapes Database v16.0 · Methodology