Steel Beam Sizes / AISC / WT Tees / WT12x88
WT12x88 Dimensions, Weight and Section Properties
AISC Structural tees · v16.0
WT12x88: 12.6 in depth, 12.9 in flange width, 88 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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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
Compare weight neighbors, another Ix option, 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%)
Another Iₓ option 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%)
Source: AISC Shapes Database v16.0 · Methodology