RSJ 102×44×7
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 | 101.6 mm | 4 in |
| Flange width, b_f | 44.5 mm | 1.752 in |
| Web thickness, t_w | 4.3 mm | 0.169291 in |
| Flange thickness, t_f | 6.1 mm | 0.240157 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 1,530,000 mm⁴ | 3.6758 in⁴ |
| Elastic modulus, Sₓ | 30,100 mm³ | 1.8368 in³ |
| Plastic modulus, Zₓ | 35,400 mm³ | 2.1602 in³ |
| Radius of gyration, rₓ | 40.1 mm | 1.5787 in |
| Distance to top fibre | 50.8 mm | 2 in |
| Distance to bottom fibre | 50.8 mm | 2 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 78,200 mm⁴ | 0.187876 in⁴ |
| Elastic modulus, S_y | 3,510 mm³ | 0.214193 in³ |
| Plastic modulus, Z_y | 6,030 mm³ | 0.367973 in³ |
| Radius of gyration, r_y | 9.07 mm | 0.357087 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 12,500 mm⁴ | 0.030031 in⁴ |
| Warping constant, C_w | 178,000,000 mm⁶ | 0.662854 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 7 kg/m | 4.7038 lb/ft |