RSJ 127×114×27
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 | 127 mm | 5 in |
| Flange width, b_f | 114.3 mm | 4.5 in |
| Web thickness, t_w | 7.4 mm | 0.291339 in |
| Flange thickness, t_f | 11.4 mm | 0.448819 in |
Bending about the major axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, Iₓ | 9,460,000 mm⁴ | 22.7277 in⁴ |
| Elastic modulus, Sₓ | 149,000 mm³ | 9.0925 in³ |
| Plastic modulus, Zₓ | 172,000 mm³ | 10.4961 in³ |
| Radius of gyration, rₓ | 52.6 mm | 2.0709 in |
| Distance to top fibre | 63.5 mm | 2.5 in |
| Distance to bottom fibre | 63.5 mm | 2.5 in |
Bending about the minor axis
| Property | Metric | Imperial |
|---|---|---|
| Second moment of area, I_y | 2,360,000 mm⁴ | 5.6699 in⁴ |
| Elastic modulus, S_y | 41,300 mm³ | 2.5203 in³ |
| Plastic modulus, Z_y | 68,200 mm³ | 4.1618 in³ |
| Radius of gyration, r_y | 26.3 mm | 1.0354 in |
Torsion and warping
| Property | Metric | Imperial |
|---|---|---|
| Torsion constant, J | 169,000 mm⁴ | 0.406024 in⁴ |
| Warping constant, C_w | 7.88000e+9 mm⁶ | 29.3443 in⁶ |
Mass
| Property | Metric | Imperial |
|---|---|---|
| Mass per metre | 27 kg/m | 18.1432 lb/ft |