Steel Beam Sizes / AISC / WT Tees / WT12x51.5

WT12x51.5 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

WT12x51.5 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 51.50 lb/ft 76.50 kg/m
Depth, d 12.30 in 312.00 mm
Flange width, bf 9.00 in 229.00 mm
tw 0.550 in 14.000 mm
tf 0.980 in 24.900 mm
Area 15.10 in² 9,740.00 mm²
Ix 204.00 in⁴ 84,900,000 mm⁴
Iy 59.70 in⁴ 24,800,000 mm⁴
Sx 22.00 in³ 361,000.00 mm³
Sy 13.30 in³ 218,000.00 mm³
Zx 39.20 in³ 642,000.00 mm³
Zy 20.70 in³ 339,000.00 mm³
rx 3.67 in 93.20 mm
ry 1.99 in 50.50 mm
J 3.53 in⁴ 1,470,000 mm⁴
Cw 12.30 in⁶ 3,300,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT12x51.5.

Lighter in WT12

WT12x47

Weight
47.0 lb/ft (-8.7%)
Depth
12.20 in (-0.8%)
Ix
186.0 in⁴ (-8.8%)

Heavier in WT12

WT12x52

Weight
52.0 lb/ft (+1.0%)
Depth
12.00 in (-2.4%)
Ix
189.0 in⁴ (-7.4%)

Closest Iₓ in WT12

WT12x58.5

Weight
58.5 lb/ft (+14%)
Depth
12.10 in (-1.6%)
Ix
212.0 in⁴ (+3.9%)

Similar weight in WT13

WT13.5x51

Weight
51.0 lb/ft (-1.0%)
Depth
13.50 in (+9.8%)
Ix
258.0 in⁴ (+26%)
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Source: AISC Shapes Database v16.0 · Methodology