GOST 31447
GOST 31447 (Steel welded pipes for trunk gas pipelines, oil pipelines and oil products pipelines)· GOST (Russia) · 10 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| K 34 | К 34 | Structural and constructional steels | chevron_right |
| K 38 | К 38 | Structural and constructional steels | chevron_right |
| K 42 | К 42 | Structural and constructional steels | chevron_right |
| K 48 | К 48 | Structural and constructional steels | chevron_right |
| K 54 | К 54 | Structural and constructional steels | chevron_right |
| K 56 | К 56 | Structural and constructional steels | chevron_right |
| K 60 | К 60 | Structural and constructional steels | chevron_right |
| K50 | К50 | Structural and constructional steels | chevron_right |
| K52 | К52 | Structural and constructional steels | chevron_right |
| K55 | К55 | Structural and constructional steels | chevron_right |