GOST 21449
GOST 21449 (Rods for welding deposit. Specifications)· GOST (Russia) · 3 materials
| Designation | Alternative designation | Material group | |
|---|---|---|---|
| Pr-S27 | Пр-С27 | Filler Metals | chevron_right |
| Pr-V3K | Пр-В3К | Cobalt | chevron_right |
| Pr-V3K-R | Пр-В3К-Р | Cobalt | chevron_right |