Steel Beam Sizes / CISC / Channels / C310×45
C310×45 Dimensions, Weight and Section Properties
CISC Channels · v12.1
C310×45: 305 mm depth, 80 mm flange width, 45 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
C310×45 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 | 30.00 lb/ft | 45.00 kg/m |
| Depth, d | 12.01 in | 305.00 mm |
| Flange width, bf | 3.15 in | 80.00 mm |
| tw | 0.512 in | 13.000 mm |
| tf | 0.500 in | 12.700 mm |
| Area | 8.82 in² | 5,690.00 mm² |
| Ix | 161.69 in⁴ | 67,300,000 mm⁴ |
| Iy | 5.09 in⁴ | 2,120,000 mm⁴ |
| Sx | 26.97 in³ | 442,000.00 mm³ |
| Sy | 2.05 in³ | 33,600.00 mm³ |
| rx | 4.29 in | 109.00 mm |
| ry | 0.76 in | 19.30 mm |
| J | 0.86 in⁴ | 360,000.00 mm⁴ |
| Cw | 148.58 in⁶ | 39,900,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C310×45.
Lighter in C310
C310×37
- Weight
- 37.0 kg/m (-17%)
- Depth
- 305.0 mm (0.0%)
- Ix
- 59,900,000 mm⁴ (-11%)
Another Iₓ option in C310
C310×31
- Weight
- 31.0 kg/m (-31%)
- Depth
- 305.0 mm (0.0%)
- Ix
- 53,500,000 mm⁴ (-21%)
Similar weight in C250
C250×45
- Weight
- 45.0 kg/m (0.0%)
- Depth
- 254.0 mm (-17%)
- Ix
- 42,800,000 mm⁴ (-36%)
Source: CISC Structural Section Tables SST12.1 · v12.1 · Availability: Not produced in Canada. · Methodology