75×50×4.0 RHS
Rectangular hollow sections from Australian-Sections.xlsx (Sheets 1-19).
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Height | 75 mm | 2.9528 in |
| Width | 50 mm | 1.9685 in |
| Thickness, t | 4 mm | 0.15748 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 630,000 mm⁴ | 1.5136 in⁴ |
| Elastic modulus, Sₓ | 16,800 mm³ | 1.0252 in³ |
| Plastic modulus, Zₓ | 21,100 mm³ | 1.2876 in³ |
| Radius of gyration, rₓ | 26.7413 mm | 1.0528 in |
| Distance to top fibre | 37.5 mm | 1.4764 in |
| Distance to bottom fibre | 37.5 mm | 1.4764 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 335,000 mm⁴ | 0.804841 in⁴ |
| Elastic modulus, S_y | 13,400 mm³ | 0.817718 in³ |
| Plastic modulus, Z_y | 16,000 mm³ | 0.97638 in³ |
| Radius of gyration, r_y | 19.5 mm | 0.767716 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 754,000 mm⁴ | 1.8115 in⁴ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 6.9159 kg/m | 4.6472 lb/ft |