345 BT 70
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 | 341 mm | 13.4252 in |
| Flange width, b_f | 253.7 mm | 9.9882 in |
| Web thickness, t_w | 12.4 mm | 0.488189 in |
| Flange thickness, t_f | 19 mm | 0.748031 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 98,300,000 mm⁴ | 236.1667 in⁴ |
| Elastic modulus, Sₓ | 385,339.083 mm³ | 23.5148 in³ |
| Plastic modulus, Zₓ | 688,000 mm³ | 41.9843 in³ |
| Radius of gyration, rₓ | 105.0359 mm | 4.1353 in |
| Distance to top fibre | 85.9 mm | 3.3819 in |
| Distance to bottom fibre | 255.1 mm | 10.0433 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 25,900,000 mm⁴ | 62.225 in⁴ |
| Elastic modulus, S_y | 204,178.163 mm³ | 12.4597 in³ |
| Plastic modulus, Z_y | 319,000 mm³ | 19.4666 in³ |
| Radius of gyration, r_y | 53.9152 mm | 2.1226 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 840,000 mm⁴ | 2.0181 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 70 kg/m | 47.0378 lb/ft |