GOST R 52203
GOST R 52203 (Tubing and coupling. Specifications)· GOST (Russia) · 11 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| D | Д | Structural and constructional steels | chevron_right |
| Ds | Дс | Structural and constructional steels | chevron_right |
| E | Е | Structural and constructional steels | chevron_right |
| Es | Ес | Structural and constructional steels | chevron_right |
| Grade K | К | Structural and constructional steels | chevron_right |
| Grade L | Л | Structural and constructional steels | chevron_right |
| Grade M | М | Structural and constructional steels | chevron_right |
| Grade R | Р | Structural and constructional steels | chevron_right |
| Ks | Кс | Structural and constructional steels | chevron_right |
| Ms | Мс | Structural and constructional steels | chevron_right |
| Rs | Рс | Structural and constructional steels | chevron_right |