Steel Beam Sizes / CISC / MC Channels / MC200×31.8
MC200×31.8 Steel Beam Dimensions and Properties
CISC Miscellaneous channels · v12.1
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
MC200×31.8 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 | 21.40 lb/ft | 31.80 kg/m |
| Depth, d | 7.99 in | 203.00 mm |
| Flange width, bf | 3.43 in | 87.00 mm |
| tw | 0.374 in | 9.500 mm |
| tf | 0.524 in | 13.300 mm |
| Area | 6.23 in² | 4,020.00 mm² |
| Ix | 61.02 in⁴ | 25,400,000 mm⁴ |
| Iy | 6.39 in⁴ | 2,660,000 mm⁴ |
| Sx | 15.26 in³ | 250,000.00 mm³ |
| Sy | 2.65 in³ | 43,400.00 mm³ |
| rx | 3.13 in | 79.40 mm |
| ry | 1.01 in | 25.70 mm |
| J | 0.49 in⁴ | 203,000.00 mm⁴ |
| Cw | 69.26 in⁶ | 18,600,000,000 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus MC200×31.8.
Lighter in MC200
MC200×29.8
- Weight
- 29.8 kg/m (-6.5%)
- Depth
- 203.0 mm (0.0%)
- Ix
- 22,400,000 mm⁴ (-12%)
Heavier in MC200
MC200×33.9
- Weight
- 33.9 kg/m (+6.5%)
- Depth
- 203.0 mm (0.0%)
- Ix
- 26,200,000 mm⁴ (+3.1%)
Closest Iₓ in MC200
MC200×27.8
- Weight
- 27.8 kg/m (-13%)
- Depth
- 203.0 mm (0.0%)
- Ix
- 21,600,000 mm⁴ (-15%)
Similar weight in MC180
MC180×33.8
- Weight
- 33.8 kg/m (+6.1%)
- Depth
- 178.0 mm (-12%)
- Ix
- 19,700,000 mm⁴ (-22%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology