Steel Beam Sizes / Australia / Beam Tees / 155 BT 23
155 BT 23 Steel Beam Dimensions and Properties
ASNZS Tees cut from universal beams · v2019.11
Diagram, properties emphasis, and nearby alternatives use the selected unit system.
Section diagram
155 BT 23 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 | 15.46 lb/ft | 23.00 kg/m |
| Depth, d | 6.02 in | 153.00 mm |
| Flange width, bf | 6.52 in | 165.70 mm |
| tw | 0.265 in | 6.730 mm |
| tf | 0.465 in | 11.800 mm |
| Area | 4.56 in² | 2,940.00 mm² |
| Ix | 12.76 in⁴ | 5,310,000 mm⁴ |
| Iy | 10.76 in⁴ | 4,480,000 mm⁴ |
| Sx | 2.65 in³ | 43,382.35 mm³ |
| Sy | 3.30 in³ | 54,073.63 mm³ |
| Zx | 4.70 in³ | 77,100.00 mm³ |
| Zy | 5.06 in³ | 83,000.00 mm³ |
| rx | 1.67 in | 42.50 mm |
| ry | 1.54 in | 39.04 mm |
| J | 0.27 in⁴ | 111,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 155 BT 23.
Lighter in Tees cut from universal beams
180 BT 22
- Weight
- 22.0 kg/m (-4.3%)
- Depth
- 175.0 mm (+14%)
- Ix
- 7,790,000 mm⁴ (+47%)
Heavier in Tees cut from universal beams
180 BT 25
- Weight
- 25.0 kg/m (+8.7%)
- Depth
- 177.0 mm (+16%)
- Ix
- 8,640,000 mm⁴ (+63%)
Closest Iₓ in Tees cut from universal beams
155 BT 20
- Weight
- 20.0 kg/m (-13%)
- Depth
- 151.0 mm (-1.3%)
- Ix
- 4,680,000 mm⁴ (-12%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology