Steel Beam Sizes / AISC / WT Tees / WT12x27.5

WT12x27.5 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

WT12x27.5 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 27.50 lb/ft 41.00 kg/m
Depth, d 11.80 in 300.00 mm
Flange width, bf 7.01 in 178.00 mm
tw 0.395 in 10.000 mm
tf 0.505 in 12.800 mm
Area 8.10 in² 5,230.00 mm²
Ix 117.00 in⁴ 48,700,000 mm⁴
Iy 14.50 in⁴ 6,040,000 mm⁴
Sx 14.10 in³ 231,000.00 mm³
Sy 4.15 in³ 68,000.00 mm³
Zx 25.60 in³ 420,000.00 mm³
Zy 6.65 in³ 109,000.00 mm³
rx 3.80 in 96.50 mm
ry 1.34 in 34.00 mm
J 0.59 in⁴ 245,000.00 mm⁴
Cw 2.93 in⁶ 787,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT12x27.5.

Heavier in WT12

WT12x31

Weight
31.0 lb/ft (+13%)
Depth
11.90 in (+0.8%)
Ix
131.0 in⁴ (+12%)

Closest Iₓ in WT12

WT12x34

Weight
34.0 lb/ft (+24%)
Depth
11.90 in (+0.8%)
Ix
137.0 in⁴ (+17%)

Similar weight in WT10

WT10.5x27.5

Weight
27.5 lb/ft (0.0%)
Depth
10.40 in (-12%)
Ix
84.4 in⁴ (-28%)
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Source: AISC Shapes Database v16.0 · Methodology