Steel Beam Sizes / Australia / Column Tees / 75 CT 18
75 CT 18 Dimensions, Weight and Section Properties
ASNZS Tees cut from universal columns · v2019.11
75 CT 18: 80 mm depth, 154.4 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
75 CT 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 | 12.10 lb/ft | 18.00 kg/m |
| Depth, d | 3.15 in | 80.00 mm |
| Flange width, bf | 6.08 in | 154.40 mm |
| tw | 0.320 in | 8.130 mm |
| tf | 0.453 in | 11.500 mm |
| Area | 3.66 in² | 2,360.00 mm² |
| Ix | 2.19 in⁴ | 912,000.00 mm⁴ |
| Iy | 8.48 in⁴ | 3,530,000 mm⁴ |
| Sx | 0.86 in³ | 14,095.83 mm³ |
| Sy | 2.79 in³ | 45,725.39 mm³ |
| Zx | 1.64 in³ | 26,900.00 mm³ |
| Zy | 4.27 in³ | 70,000.00 mm³ |
| rx | 0.77 in | 19.66 mm |
| ry | 1.52 in | 38.68 mm |
| J | 0.23 in⁴ | 96,000.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 75 CT 18.
Lighter in Tees cut from universal columns
75 CT 15
- Weight
- 15.0 kg/m (-17%)
- Depth
- 78.0 mm (-2.5%)
- Ix
- 701,000 mm⁴ (-23%)
Heavier in Tees cut from universal columns
100 CT 23
- Weight
- 23.0 kg/m (+28%)
- Depth
- 101.0 mm (+26%)
- Ix
- 1,750,000 mm⁴ (+92%)
Another Iₓ option in Tees cut from universal columns
75 CT 12
- Weight
- 12.0 kg/m (-33%)
- Depth
- 75.0 mm (-6.2%)
- Ix
- 588,000 mm⁴ (-36%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology