Steel Beam Sizes / AISC / WT Tees / WT12x88

WT12x88 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

WT12x88 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 88.00 lb/ft 131.00 kg/m
Depth, d 12.60 in 320.00 mm
Flange width, bf 12.90 in 328.00 mm
tw 0.750 in 19.100 mm
tf 1.340 in 34.000 mm
Area 25.80 in² 16,600.00 mm²
Ix 319.00 in⁴ 133,000,000 mm⁴
Iy 240.00 in⁴ 99,900,000 mm⁴
Sx 32.20 in³ 528,000.00 mm³
Sy 37.20 in³ 610,000.00 mm³
Zx 57.80 in³ 947,000.00 mm³
Zy 57.30 in³ 939,000.00 mm³
rx 3.51 in 89.20 mm
ry 3.04 in 77.20 mm
J 11.90 in⁴ 4,950,000 mm⁴
Cw 55.80 in⁶ 15,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus WT12x88.

Lighter in WT12

WT12x81

Weight
81.0 lb/ft (-8.0%)
Depth
12.50 in (-0.8%)
Ix
293.0 in⁴ (-8.2%)

Heavier in WT12

WT12x96

Weight
96.0 lb/ft (+9.1%)
Depth
12.70 in (+0.8%)
Ix
350.0 in⁴ (+9.7%)

Closest Iₓ in WT12

WT12x73

Weight
73.0 lb/ft (-17%)
Depth
12.40 in (-1.6%)
Ix
264.0 in⁴ (-17%)

Similar weight in WT13

WT13.5x89

Weight
89.0 lb/ft (+1.1%)
Depth
13.90 in (+10%)
Ix
414.0 in⁴ (+30%)
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Source: AISC Shapes Database v16.0 · Methodology