Steel Beam Sizes / Australia / Taper Flange Channels / 300×90 CH
300×90 CH Steel Beam Dimensions and Properties
ASNZS Taper flange channels · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
300×90 CH 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 | 26.94 lb/ft | 40.10 kg/m |
| Depth, d | 11.81 in | 300.00 mm |
| Flange width, bf | 3.54 in | 90.00 mm |
| tw | 0.315 in | 8.000 mm |
| tf | 0.630 in | 16.000 mm |
| Area | 7.92 in² | 5,108.00 mm² |
| Ix | 173.94 in⁴ | 72,400,000 mm⁴ |
| Iy | 9.71 in⁴ | 4,040,000 mm⁴ |
| Sx | 29.45 in³ | 482,666.67 mm³ |
| Sy | 3.93 in³ | 64,331.21 mm³ |
| Zx | 33.75 in³ | 553,000.00 mm³ |
| Zy | 7.14 in³ | 117,000.00 mm³ |
| rx | 4.69 in | 119.05 mm |
| ry | 1.11 in | 28.12 mm |
| J | 0.70 in⁴ | 290,000.00 mm⁴ |
| Cw | 217.10 in⁶ | 58,299,998,208 mm⁶ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 300×90 CH.
Lighter in Taper flange channels
250×90 CH
- Weight
- 35.5 kg/m (-11%)
- Depth
- 250.0 mm (-17%)
- Ix
- 45,100,000 mm⁴ (-38%)
Heavier in Taper flange channels
380×100 CH
- Weight
- 55.2 kg/m (+38%)
- Depth
- 380.0 mm (+27%)
- Ix
- 152,000,000 mm⁴ (+110%)
Closest Iₓ in Taper flange channels
230×75 CH
- Weight
- 25.1 kg/m (-37%)
- Depth
- 230.0 mm (-23%)
- Ix
- 26,800,000 mm⁴ (-63%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology