GOST R 51245
GOST R 51245 (Steel universal drill rods. General specifications)· GOST (Russia) · 2 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| 36G2S | 36Г2С | Structural and constructional steels | chevron_right |
| 40HN | 40ХН | Structural and constructional steels | chevron_right |