Steel Beam Sizes / Australia / Beam Tees / 125 BT 15
125 BT 15 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
125 BT 15 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 | 10.08 lb/ft | 15.00 kg/m |
| Depth, d | 4.92 in | 125.00 mm |
| Flange width, bf | 5.75 in | 146.10 mm |
| tw | 0.240 in | 6.100 mm |
| tf | 0.340 in | 8.640 mm |
| Area | 3.10 in² | 2,000.00 mm² |
| Ix | 6.20 in⁴ | 2,580,000 mm⁴ |
| Iy | 5.41 in⁴ | 2,250,000 mm⁴ |
| Sx | 1.60 in³ | 26,192.89 mm³ |
| Sy | 1.88 in³ | 30,800.82 mm³ |
| Zx | 2.82 in³ | 46,200.00 mm³ |
| Zy | 2.87 in³ | 47,000.00 mm³ |
| rx | 1.41 in | 35.92 mm |
| ry | 1.32 in | 33.54 mm |
| J | 0.10 in⁴ | 43,500.00 mm⁴ |
Alternatives
Useful nearby sections
Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 125 BT 15.
Lighter in Tees cut from universal beams
100 BT 12
- Weight
- 12.0 kg/m (-20%)
- Depth
- 101.0 mm (-19%)
- Ix
- 1,300,000 mm⁴ (-50%)
Heavier in Tees cut from universal beams
125 BT 18
- Weight
- 18.0 kg/m (+20%)
- Depth
- 127.0 mm (+1.6%)
- Ix
- 2,900,000 mm⁴ (+12%)
Closest Iₓ in Tees cut from universal beams
100 BT 15
- Weight
- 15.0 kg/m (0.0%)
- Depth
- 102.0 mm (-18%)
- Ix
- 1,480,000 mm⁴ (-43%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology