Steel Beam Sizes / AISC / W-Shapes / W12 / W12x72
W12x72 Dimensions, Weight and Section Properties
AISC Wide flange · v16.0
W12x72: 12.3 in depth, 12 in flange width, 72 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
W12x72 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 | 72.00 lb/ft | 107.00 kg/m |
| Depth, d | 12.30 in | 312.00 mm |
| Flange width, bf | 12.00 in | 305.00 mm |
| tw | 0.430 in | 10.900 mm |
| tf | 0.670 in | 17.000 mm |
| Area | 21.10 in² | 13,600.00 mm² |
| Ix | 597.00 in⁴ | 248,000,000 mm⁴ |
| Iy | 195.00 in⁴ | 81,200,000 mm⁴ |
| Sx | 97.40 in³ | 1,600,000 mm³ |
| Sy | 32.40 in³ | 531,000.00 mm³ |
| Zx | 108.00 in³ | 1,770,000 mm³ |
| Zy | 49.20 in³ | 806,000.00 mm³ |
| rx | 5.31 in | 135.00 mm |
| ry | 3.04 in | 77.20 mm |
| J | 2.93 in⁴ | 1,220,000 mm⁴ |
| Cw | 6,540.00 in⁶ | 1,760,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus W12x72.
Lighter in W12
W12x65
- Weight
- 65.0 lb/ft (-9.7%)
- Depth
- 12.10 in (-1.6%)
- Ix
- 533.0 in⁴ (-11%)
Heavier in W12
W12x79
- Weight
- 79.0 lb/ft (+9.7%)
- Depth
- 12.40 in (+0.8%)
- Ix
- 662.0 in⁴ (+11%)
Another Iₓ option in W12
W12x58
- Weight
- 58.0 lb/ft (-19%)
- Depth
- 12.20 in (-0.8%)
- Ix
- 475.0 in⁴ (-20%)
Similar weight in W14
W14x74
- Weight
- 74.0 lb/ft (+2.8%)
- Depth
- 14.20 in (+15%)
- Ix
- 795.0 in⁴ (+33%)
Source: AISC Shapes Database v16.0 · Methodology