GOST R 56281
GOST R 56281 (Aluminum alloy extruded large round tubes. Specifications)· GOST (Russia) · 6 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| 1561 | Aluminium | chevron_right | |
| 1911 | Aluminium | chevron_right | |
| 1915 | Aluminium | chevron_right | |
| 1935 | Aluminium | chevron_right | |
| 1980 | Aluminium | chevron_right | |
| 1985ch | 1985ч | Aluminium | chevron_right |