GOST 8467
GOST 8467 (Steel drill pipes for core drilling. Specifications)· GOST (Russia) · 3 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| E | Е | Structural and constructional steels | chevron_right |
| Grade K | К | Structural and constructional steels | chevron_right |
| Grade M | М | Structural and constructional steels | chevron_right |