RSJ 89×89×19
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 | 88.9 mm | 3.5 in |
| Flange width, b_f | 88.9 mm | 3.5 in |
| Web thickness, t_w | 9.5 mm | 0.374016 in |
| Flange thickness, t_f | 9.9 mm | 0.389764 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 3,070,000 mm⁴ | 7.3757 in⁴ |
| Elastic modulus, Sₓ | 69,000 mm³ | 4.2106 in³ |
| Plastic modulus, Zₓ | 82,700 mm³ | 5.0467 in³ |
| Radius of gyration, rₓ | 35.1 mm | 1.3819 in |
| Distance to top fibre | 44.45 mm | 1.75 in |
| Distance to bottom fibre | 44.45 mm | 1.75 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 1,010,000 mm⁴ | 2.4265 in⁴ |
| Elastic modulus, S_y | 22,800 mm³ | 1.3913 in³ |
| Plastic modulus, Z_y | 38,000 mm³ | 2.3189 in³ |
| Radius of gyration, r_y | 20.2 mm | 0.795276 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 115,000 mm⁴ | 0.276289 in⁴ |
| Warping constant, C_w | 1.58000e+9 mm⁶ | 5.8838 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 19 kg/m | 12.7674 lb/ft |