Steel Beam Sizes / AISC / WT Tees / WT12x139.5

WT12x139.5 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

WT12x139.5 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 139.50 lb/ft 208.00 kg/m
Depth, d 13.40 in 340.00 mm
Flange width, bf 13.30 in 338.00 mm
tw 1.160 in 29.500 mm
tf 2.090 in 53.100 mm
Area 41.00 in² 26,500.00 mm²
Ix 546.00 in⁴ 227,000,000 mm⁴
Iy 412.00 in⁴ 171,000,000 mm⁴
Sx 53.60 in³ 878,000.00 mm³
Sy 61.90 in³ 1,010,000 mm³
Zx 98.80 in³ 1,620,000 mm³
Zy 96.30 in³ 1,580,000 mm³
rx 3.65 in 92.70 mm
ry 3.17 in 80.50 mm
J 45.10 in⁴ 18,800,000 mm⁴
Cw 230.00 in⁶ 61,800,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT12x139.5.

Lighter in WT12

WT12x125

Weight
125.0 lb/ft (-10%)
Depth
13.20 in (-1.5%)
Ix
478.0 in⁴ (-12%)

Heavier in WT12

WT12x153

Weight
153.0 lb/ft (+9.7%)
Depth
13.60 in (+1.5%)
Ix
611.0 in⁴ (+12%)

Closest Iₓ in WT12

WT12x114.5

Weight
114.5 lb/ft (-18%)
Depth
13.00 in (-3.0%)
Ix
431.0 in⁴ (-21%)

Similar weight in WT13

WT13.5x140.5

Weight
140.5 lb/ft (+0.7%)
Depth
14.60 in (+9.0%)
Ix
677.0 in⁴ (+24%)
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Source: AISC Shapes Database v16.0 · Methodology