150 UB 18
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 | 155 mm | 6.1024 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 | 9,050,000 mm⁴ | 21.7427 in⁴ |
| Elastic modulus, Sₓ | 116,774.194 mm³ | 7.126 in³ |
| Plastic modulus, Zₓ | 135,000 mm³ | 8.2382 in³ |
| Radius of gyration, rₓ | 62.7278 mm | 2.4696 in |
| Distance to top fibre | 77.5 mm | 3.0512 in |
| Distance to bottom fibre | 77.5 mm | 3.0512 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 672,000 mm⁴ | 1.6145 in⁴ |
| Elastic modulus, S_y | 17,920 mm³ | 1.0935 in³ |
| Plastic modulus, Z_y | 28,200 mm³ | 1.7209 in³ |
| Radius of gyration, r_y | 17.0931 mm | 0.672957 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 60,500 mm⁴ | 0.145352 in⁴ |
| Warping constant, C_w | 3.55000e+9 mm⁶ | 13.2198 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 18 kg/m | 12.0954 lb/ft |