Steel Beam Sizes / Australia / Beam Tees / 100 BT 12
100 BT 12 Dimensions, Weight and Section Properties
ASNZS Tees cut from universal beams · v2019.11
100 BT 12: 101 mm depth, 133.4 mm flange width, 12 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
100 BT 12 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 | 8.06 lb/ft | 12.00 kg/m |
| Depth, d | 3.98 in | 101.00 mm |
| Flange width, bf | 5.25 in | 133.40 mm |
| tw | 0.230 in | 5.840 mm |
| tf | 0.308 in | 7.820 mm |
| Area | 2.50 in² | 1,610.00 mm² |
| Ix | 3.12 in⁴ | 1,300,000 mm⁴ |
| Iy | 3.72 in⁴ | 1,550,000 mm⁴ |
| Sx | 0.99 in³ | 16,229.71 mm³ |
| Sy | 1.42 in³ | 23,238.38 mm³ |
| Zx | 1.77 in³ | 29,000.00 mm³ |
| Zy | 2.17 in³ | 35,500.00 mm³ |
| rx | 1.12 in | 28.42 mm |
| ry | 1.22 in | 31.03 mm |
| J | 0.07 in⁴ | 30,400.00 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 100 BT 12.
Lighter in Tees cut from universal beams
90 BT 11
- Weight
- 11.0 kg/m (-8.3%)
- Depth
- 88.5 mm (-12%)
- Ix
- 857,000 mm⁴ (-34%)
Heavier in Tees cut from universal beams
100 BT 15
- Weight
- 15.0 kg/m (+25%)
- Depth
- 102.0 mm (+1.0%)
- Ix
- 1,480,000 mm⁴ (+14%)
Another Iₓ option in Tees cut from universal beams
90 BT 9
- Weight
- 9.0 kg/m (-25%)
- Depth
- 86.5 mm (-14%)
- Ix
- 684,000 mm⁴ (-47%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology