Steel Beam Sizes / Australia / Beam Tees / 305 BT 50
305 BT 50 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
305 BT 50 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 | 33.60 lb/ft | 50.00 kg/m |
| Depth, d | 11.81 in | 300.00 mm |
| Flange width, bf | 8.96 in | 227.60 mm |
| tw | 0.417 in | 10.600 mm |
| tf | 0.583 in | 14.800 mm |
| Area | 10.01 in² | 6,460.00 mm² |
| Ix | 136.22 in⁴ | 56,700,000 mm⁴ |
| Iy | 35.08 in⁴ | 14,600,000 mm⁴ |
| Sx | 15.56 in³ | 255,060.73 mm³ |
| Sy | 7.83 in³ | 128,295.25 mm³ |
| Zx | 27.83 in³ | 456,000.00 mm³ |
| Zy | 12.20 in³ | 200,000.00 mm³ |
| rx | 3.69 in | 93.69 mm |
| ry | 1.87 in | 47.54 mm |
| J | 0.93 in⁴ | 387,000.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 305 BT 50.
Lighter in Tees cut from universal beams
265 BT 46
- Weight
- 46.0 kg/m (-8.0%)
- Depth
- 266.0 mm (-11%)
- Ix
- 38,700,000 mm⁴ (-32%)
Heavier in Tees cut from universal beams
305 BT 56
- Weight
- 56.0 kg/m (+12%)
- Depth
- 303.0 mm (+1.0%)
- Ix
- 62,400,000 mm⁴ (+10%)
Closest Iₓ in Tees cut from universal beams
305 BT 62
- Weight
- 62.0 kg/m (+24%)
- Depth
- 305.0 mm (+1.7%)
- Ix
- 68,300,000 mm⁴ (+20%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology