steel profile
25ДК7
Dimensions and technical properties from the source catalogue are shown below.
- Catalogue
- GOST ДК (35087-2024)
- Standard
- GOST 35087-2024
- Source publication
- GOST 35087-2024
Dimensions, weight and technical properties
| Property | Value | Unit |
|---|---|---|
| h | 282 | mm |
| b | 263 | mm |
| t_w | 17.3 | mm |
| t_f | 28.4 | mm |
| h_w [GOST] | 225.2 | mm |
| b_w [GOST] | 122.85 | mm |
| r | 10.7 | mm |
| A | 19000 | mm² |
| g | 149 | kg/m |
| I_x [GOST] | 258.8467 | 10⁶ mm⁴ |
| W_el,x [GOST] | 1835.79 | 10³ mm³ |
| S_x [GOST] | 1062.09 | 10³ mm³ |
| i_x [GOST] | 116.93 | mm |
| I_y [GOST] | 86.2157 | 10⁶ mm⁴ |
| W_el,y [GOST] | 655.63 | 10³ mm³ |
| S_y [GOST] | 500.09 | 10³ mm³ |
| i_y [GOST] | 67.48 | mm |
Source notes and corrections
gost:bw: ARSS Table 1.1.1 25ДК7 explicitly lists bw=122.85 mm. Its geometry, area, mass and all eight section properties match; also equals (263−17.3)/2.
Original source value: 121.85
Verified value: 122.85
Source publication25ДК7 · Equivalent profile search
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