GOST 21729
GOST 21729 (Cold-deformed and hot-deformed structural carbon and alloyed steel tubes. Specifications)· GOST (Russia) · 12 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| 10G2 | 10Г2 | Structural and constructional steels | chevron_right |
| 12H2NVFA | 12Х2НВФА | Structural and constructional steels | chevron_right |
| 12HN3A | 12ХН3А | Structural and constructional steels | chevron_right |
| 20A | 20А | Structural and constructional steels | chevron_right |
| 30HGSA | 30ХГСА | Structural and constructional steels | chevron_right |
| 30HGSN2A | 30ХГСН2А | Structural and constructional steels | chevron_right |
| 30HGSNA | 30ХГСНА | Structural and constructional steels | chevron_right |
| 30HGSNMA | 30ХГСНМА | Structural and constructional steels | chevron_right |
| 38H2MYuA | 38Х2МЮА | Structural and constructional steels | chevron_right |
| 38HA | 38ХА | Structural and constructional steels | chevron_right |
| 45 | Structural and constructional steels | chevron_right | |
| EI 712 | ЭИ 712 | Structural and constructional steels | chevron_right |