Steel Beam Sizes / AISC / WT Tees / WT12x125

WT12x125 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

WT12x125 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 125.00 lb/ft 186.00 kg/m
Depth, d 13.20 in 335.00 mm
Flange width, bf 13.20 in 335.00 mm
tw 1.040 in 26.400 mm
tf 1.890 in 48.000 mm
Area 36.80 in² 23,700.00 mm²
Ix 478.00 in⁴ 199,000,000 mm⁴
Iy 362.00 in⁴ 151,000,000 mm⁴
Sx 47.20 in³ 773,000.00 mm³
Sy 54.90 in³ 900,000.00 mm³
Zx 86.50 in³ 1,420,000 mm³
Zy 85.20 in³ 1,400,000 mm³
rx 3.61 in 91.70 mm
ry 3.14 in 79.80 mm
J 33.20 in⁴ 13,800,000 mm⁴
Cw 165.00 in⁶ 44,300,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT12x125.

Lighter in WT12

WT12x114.5

Weight
114.5 lb/ft (-8.4%)
Depth
13.00 in (-1.5%)
Ix
431.0 in⁴ (-9.8%)

Heavier in WT12

WT12x139.5

Weight
139.5 lb/ft (+12%)
Depth
13.40 in (+1.5%)
Ix
546.0 in⁴ (+14%)

Closest Iₓ in WT12

WT12x103.5

Weight
103.5 lb/ft (-17%)
Depth
12.90 in (-2.3%)
Ix
382.0 in⁴ (-20%)

Similar weight in WT10

WT10.5x124

Weight
124.0 lb/ft (-0.8%)
Depth
11.90 in (-9.8%)
Ix
368.0 in⁴ (-23%)
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Source: AISC Shapes Database v16.0 · Methodology