GOST 9960
GOST 9960 (Switch point rails. Specifications)· GOST (Russia) · 3 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| M73T | М73Т | Structural and constructional steels | chevron_right |
| M73Ts | М73Ц | Structural and constructional steels | chevron_right |
| M73V | М73В | Structural and constructional steels | chevron_right |