Steel Beam Sizes / CISC / Channels / C180×18
C180×18 Dimensions, Weight and Section Properties
CISC Channels · v12.1
C180×18: 178 mm depth, 55 mm flange width, 18 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
C180×18 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 | 12.25 lb/ft | 18.00 kg/m |
| Depth, d | 7.01 in | 178.00 mm |
| Flange width, bf | 2.17 in | 55.00 mm |
| tw | 0.315 in | 8.000 mm |
| tf | 0.366 in | 9.300 mm |
| Area | 3.58 in² | 2,310.00 mm² |
| Ix | 24.03 in⁴ | 10,000,000 mm⁴ |
| Iy | 1.14 in⁴ | 476,000.00 mm⁴ |
| Sx | 6.90 in³ | 113,000.00 mm³ |
| Sy | 0.70 in³ | 11,400.00 mm³ |
| rx | 2.59 in | 65.90 mm |
| ry | 0.56 in | 14.30 mm |
| J | 0.16 in⁴ | 66,800.00 mm⁴ |
| Cw | 10.80 in⁶ | 2,900,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C180×18.
Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology