steel profile
L Unequal 30x20x4
Dimensions and technical properties from the source catalogue are shown below.
Profile name variants: L Unequal 30x20x4 · LUnequal30x20x4
- Catalogue
- SCI P363 L Unequal
- Standard
- BS EN 10056-1:1999
- Source publication
- SCI P363 Steel Building Design: Design Data
Dimensions, weight and technical properties
| Property | Value | Unit |
|---|---|---|
| A | 186.00 | mm² |
| I_t | 1.0960 | 10³ mm⁴ |
| I_u | 0.0181 | 10⁶ mm⁴ |
| I_v | 0.00330 | 10⁶ mm⁴ |
| I_y | 0.0159 | 10⁶ mm⁴ |
| I_z | 0.00553 | 10⁶ mm⁴ |
| g | 1.46 | kg/m |
| W_el,y | 0.807 | 10³ mm³ |
| W_el,z | 0.379 | 10³ mm³ |
| b | 20 | mm |
| c_y | 10.30 | mm |
| c_z | 5.410 | mm |
| h | 30 | mm |
| i_u | 9.880 | mm |
| i_v | 4.210 | mm |
| i_y | 9.250 | mm |
| i_z | 5.460 | mm |
| φ_a,max | 2.39 | |
| φ_a,min | 1.79 | |
| ψ | 3.95 | |
| r_1 | 4.00 | mm |
| r_2 | 2.00 | mm |
| t | 4 | mm |
| tan(α) | 0.421 |
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