GOST 5876
GOST 5876 (Type R18 and R24 narrow-gauge railway rails. Technical requirements)· GOST (Russia) · 3 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| N50 | Н50 | Structural and constructional steels | chevron_right |
| PT70 | ПТ70 | Structural and constructional steels | chevron_right |
| T60 | Т60 | Structural and constructional steels | chevron_right |