steel profile
L 50x50x4
Dimensions and technical properties from the source catalogue are shown below.
Profile name variants: L 50x50x4 · L50x50x4
- Catalogue
- L Equal (GOST 8509-93 Annex A)
- Standard
- GOST 8509-93 Annex A (ISO 657-1:1989)
- Source publication
- GOST 8509-93 Annex A (ISO 657-1:1989)
Dimensions, weight and technical properties
| Property | Value | Unit |
|---|---|---|
| g | 3.06 | kg/m |
| A | 389.00 | mm² |
| h = b | 50 | mm |
| t | 4 | mm |
| r | 7 | mm |
| C_x = C_y [GOST] | 13.60 | mm |
| C_u [GOST] | 35.40 | mm |
| C_v [GOST] | 19.20 | mm |
| I_x = I_y [GOST] | 0.0897 | 10⁶ mm⁴ |
| r_x = r_y [GOST] | 15.20 | mm |
| Z_x = Z_y [GOST] | 2.46 | 10³ mm³ |
| I_u [GOST] | 0.142 | 10⁶ mm⁴ |
| r_u [GOST] | 19.10 | mm |
| I_v [GOST] | 0.0373 | 10⁶ mm⁴ |
| r_v [GOST] | 9.790 | mm |
| Z_v [GOST] | 1.94 | 10³ mm³ |
Source notes and corrections
Annex A prints Iu=1220 and 1470 cm4 for 250x250x28 and 250x250x35. Original cells retained; effective Iu corrected to 12200 and 14700 cm4 by explicit user instruction, supported by the comparison source in valueCorrections. This is not an official GOST corrigendum.
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