steel profile
L 200x200x20
Dimensions and technical properties from the source catalogue are shown below.
Profile name variants: L 200x200x20 · L200x200x20
- 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 | 59.9 | kg/m |
| A | 7630.0 | mm² |
| h = b | 200 | mm |
| t | 20 | mm |
| r | 18 | mm |
| C_x = C_y [GOST] | 56.80 | mm |
| C_u [GOST] | 141.0 | mm |
| C_v [GOST] | 80.40 | mm |
| I_x = I_y [GOST] | 28.50 | 10⁶ mm⁴ |
| r_x = r_y [GOST] | 61.10 | mm |
| Z_x = Z_y [GOST] | 199 | 10³ mm³ |
| I_u [GOST] | 45.30 | 10⁶ mm⁴ |
| r_u [GOST] | 77.00 | mm |
| I_v [GOST] | 11.70 | 10⁶ mm⁴ |
| r_v [GOST] | 39.20 | mm |
| Z_v [GOST] | 146 | 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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