Steel Beam Sizes / AISC / WT Tees / WT15x66

WT15x66 Steel Beam Dimensions and Properties

AISC Structural tees · v16.0

Analyze in Beam Calculator Back to WT Tees

Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

WT15x66 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 15.20 in 386.00 mm
Flange width, bf 10.50 in 267.00 mm
tw 0.615 in 15.600 mm
tf 1.000 in 25.400 mm
Area 19.50 in² 12,600.00 mm²
Ix 421.00 in⁴ 175,000,000 mm⁴
Iy 98.00 in⁴ 40,800,000 mm⁴
Sx 37.40 in³ 613,000.00 mm³
Sy 18.60 in³ 305,000.00 mm³
Zx 66.80 in³ 1,090,000 mm³
Zy 29.20 in³ 479,000.00 mm³
rx 4.66 in 118.00 mm
ry 2.25 in 57.20 mm
J 4.85 in⁴ 2,020,000 mm⁴
Cw 28.50 in⁶ 7,650,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT15x66.

Lighter in WT15

WT15x62

Weight
62.0 lb/ft (-6.1%)
Depth
15.10 in (-0.7%)
Ix
396.0 in⁴ (-5.9%)

Heavier in WT15

WT15x74

Weight
74.0 lb/ft (+12%)
Depth
15.30 in (+0.7%)
Ix
466.0 in⁴ (+11%)

Closest Iₓ in WT15

WT15x58

Weight
58.0 lb/ft (-12%)
Depth
15.00 in (-1.3%)
Ix
373.0 in⁴ (-11%)

Similar weight in WT16

WT16.5x65

Weight
65.0 lb/ft (-1.5%)
Depth
16.50 in (+8.6%)
Ix
513.0 in⁴ (+22%)
Analyze in Beam Calculator Compare in WT Tees finder

Source: AISC Shapes Database v16.0 · Methodology