Steel Beam Sizes / AISC / W-Shapes / W12 / W12x72
W12x72 Steel Beam Dimensions and Properties
AISC Wide flange · v16.0
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
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
Same-series weight neighbors, closest Ix, 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%)
Closest Iₓ 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