RSJ 76×76×15
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 | 80 mm | 3.1496 in |
| Web thickness, t_w | 8.9 mm | 0.350394 in |
| Flange thickness, t_f | 8.4 mm | 0.330709 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,720,000 mm⁴ | 4.1323 in⁴ |
| Elastic modulus, Sₓ | 45,200 mm³ | 2.7583 in³ |
| Plastic modulus, Zₓ | 54,200 mm³ | 3.3075 in³ |
| Radius of gyration, rₓ | 30 mm | 1.1811 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 | 609,000 mm⁴ | 1.4631 in⁴ |
| Elastic modulus, S_y | 15,200 mm³ | 0.927561 in³ |
| Plastic modulus, Z_y | 25,800 mm³ | 1.5744 in³ |
| Radius of gyration, r_y | 17.8 mm | 0.700787 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 68,300 mm⁴ | 0.164091 in⁴ |
| Warping constant, C_w | 700,000,000 mm⁶ | 2.6067 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 15 kg/m | 10.0795 lb/ft |