Steel Beam Sizes / CISC / Channels / C100×9
C100×9 Dimensions, Weight and Section Properties
CISC Channels · v12.1
C100×9: 102 mm depth, 42 mm flange width, 9 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
C100×9 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 | 6.25 lb/ft | 9.00 kg/m |
| Depth, d | 4.02 in | 102.00 mm |
| Flange width, bf | 1.65 in | 42.00 mm |
| tw | 0.248 in | 6.300 mm |
| tf | 0.295 in | 7.500 mm |
| Area | 1.84 in² | 1,190.00 mm² |
| Ix | 4.25 in⁴ | 1,770,000 mm⁴ |
| Iy | 0.38 in⁴ | 158,000.00 mm⁴ |
| Sx | 2.11 in³ | 34,600.00 mm³ |
| Sy | 0.32 in³ | 5,180.00 mm³ |
| rx | 1.52 in | 38.50 mm |
| ry | 0.45 in | 11.50 mm |
| J | 0.06 in⁴ | 23,100.00 mm⁴ |
| Cw | 1.09 in⁶ | 293,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C100×9.
Lighter in C100
C100×8
- Weight
- 8.0 kg/m (-14%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,610,000 mm⁴ (-9.0%)
Heavier in C100
C100×11
- Weight
- 11.0 kg/m (+16%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,910,000 mm⁴ (+7.9%)
Another Iₓ option in C100
C100×7
- Weight
- 7.0 kg/m (-28%)
- Depth
- 102.0 mm (0.0%)
- Ix
- 1,500,000 mm⁴ (-15%)
Similar weight in C75
C75×9
- Weight
- 9.0 kg/m (-4.0%)
- Depth
- 76.0 mm (-25%)
- Ix
- 847,000 mm⁴ (-52%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology