75 BT 9
Tees cut from universal beams from Australian-Sections.xlsx (Sheets 1-19).
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 76.5 mm | 3.0118 in |
| Flange width, b_f | 75 mm | 2.9528 in |
| Web thickness, t_w | 6 mm | 0.23622 in |
| Flange thickness, t_f | 9.5 mm | 0.374016 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 533,000 mm⁴ | 1.2805 in⁴ |
| Elastic modulus, Sₓ | 9,173.838 mm³ | 0.559822 in³ |
| Plastic modulus, Zₓ | 16,500 mm³ | 1.0069 in³ |
| Radius of gyration, rₓ | 21.6228 mm | 0.85129 in |
| Distance to top fibre | 18.4 mm | 0.7244094 in |
| Distance to bottom fibre | 58.1 mm | 2.2874 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 336,000 mm⁴ | 0.807243 in⁴ |
| Elastic modulus, S_y | 8,960 mm³ | 0.546773 in³ |
| Plastic modulus, Z_y | 14,100 mm³ | 0.860435 in³ |
| Radius of gyration, r_y | 17.1679 mm | 0.675902 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 30,000 mm⁴ | 0.072075 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 9 kg/m | 6.0477 lb/ft |