Steel Beam Sizes / AISC / MC Channels / MC13x40
MC13x40 Dimensions, Weight and Section Properties
AISC Miscellaneous channels · v16.0
MC13x40: 13 in depth, 4.19 in flange width, 40 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
MC13x40 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 | 40.00 lb/ft | 60.00 kg/m |
| Depth, d | 13.00 in | 330.00 mm |
| Flange width, bf | 4.19 in | 106.00 mm |
| tw | 0.560 in | 14.200 mm |
| tf | 0.610 in | 15.500 mm |
| Area | 11.70 in² | 7,550.00 mm² |
| Ix | 273.00 in⁴ | 114,000,000 mm⁴ |
| Iy | 13.70 in⁴ | 5,700,000 mm⁴ |
| Sx | 41.90 in³ | 687,000.00 mm³ |
| Sy | 4.24 in³ | 69,500.00 mm³ |
| Zx | 51.20 in³ | 839,000.00 mm³ |
| Zy | 8.66 in³ | 142,000.00 mm³ |
| rx | 4.82 in | 122.00 mm |
| ry | 1.08 in | 27.40 mm |
| J | 1.55 in⁴ | 645,000.00 mm⁴ |
| Cw | 462.00 in⁶ | 124,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus MC13x40.
Lighter in MC13
MC13x35
- Weight
- 35.0 lb/ft (-13%)
- Depth
- 13.00 in (0.0%)
- Ix
- 252.0 in⁴ (-7.7%)
Heavier in MC13
MC13x50
- Weight
- 50.0 lb/ft (+25%)
- Depth
- 13.00 in (0.0%)
- Ix
- 314.0 in⁴ (+15%)
Another Iₓ option in MC13
MC13x31.8
- Weight
- 31.8 lb/ft (-21%)
- Depth
- 13.00 in (0.0%)
- Ix
- 239.0 in⁴ (-12%)
Similar weight in MC12
MC12x40
- Weight
- 40.0 lb/ft (0.0%)
- Depth
- 12.00 in (-7.7%)
- Ix
- 234.0 in⁴ (-14%)
Source: AISC Shapes Database v16.0 · Methodology