75 BT 7
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 | 74 mm | 2.9134 in |
| Flange width, b_f | 75 mm | 2.9528 in |
| Web thickness, t_w | 5 mm | 0.19685 in |
| Flange thickness, t_f | 7 mm | 0.275591 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 410,000 mm⁴ | 0.985029 in⁴ |
| Elastic modulus, Sₓ | 7,269.504 mm³ | 0.443612 in³ |
| Plastic modulus, Zₓ | 12,900 mm³ | 0.787206 in³ |
| Radius of gyration, rₓ | 21.4996 mm | 0.84644 in |
| Distance to top fibre | 17.6 mm | 0.6929134 in |
| Distance to bottom fibre | 56.4 mm | 2.2205 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 247,000 mm⁴ | 0.59342 in⁴ |
| Elastic modulus, S_y | 6,586.667 mm³ | 0.401943 in³ |
| Plastic modulus, Z_y | 10,400 mm³ | 0.634647 in³ |
| Radius of gyration, r_y | 16.6873 mm | 0.656981 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 13,900 mm⁴ | 0.033395 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7 kg/m | 4.7038 lb/ft |