RSJ 76×76×13
Rolled steel joists from British-Sections-1 and Eurocode 3 UK shared angle/hollow tables.
Outline drawn from the published dimensions. Fillets and root radii are not shown.
Dimensions
| Property | Metric | Imperial |
|---|---|---|
| Depth, d | 76.2 mm | 3 in |
| Flange width, b_f | 76.2 mm | 3 in |
| Web thickness, t_w | 5.1 mm | 0.200787 in |
| Flange thickness, t_f | 8.4 mm | 0.330709 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,580,000 mm⁴ | 3.796 in⁴ |
| Elastic modulus, Sₓ | 41,500 mm³ | 2.5325 in³ |
| Plastic modulus, Zₓ | 48,700 mm³ | 2.9719 in³ |
| Radius of gyration, rₓ | 31.2 mm | 1.2283 in |
| Distance to top fibre | 38.1 mm | 1.5 in |
| Distance to bottom fibre | 38.1 mm | 1.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 518,000 mm⁴ | 1.2445 in⁴ |
| Elastic modulus, S_y | 13,600 mm³ | 0.829923 in³ |
| Plastic modulus, Z_y | 22,400 mm³ | 1.3669 in³ |
| Radius of gyration, r_y | 17.9 mm | 0.704724 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 45,900 mm⁴ | 0.110275 in⁴ |
| Warping constant, C_w | 595,000,000 mm⁶ | 2.2157 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 13 kg/m | 8.7356 lb/ft |