Tube KOSST
Koss Pipe: a pipe with a single spiral weld manufactured by combining metal electrode arc welding in a protective gas environment and flux-cored arc welding, where the weld bead from the metal electrode arc welding in a protective gas environment is not completely removed by flux-cored passes
Source: "GOST R 53580-2009. National Standard of the Russian Federation. Steel Pipes for Oil and Gas Pipelines. Technical Conditions"
(approved and introduced into force by Order of Rosstandart dated December 15, 2009 No. 887-ct)
Понятие «труба косс» женского рода.
| Падеж | Единственное число | Множественное число |
|---|---|---|
| Р | трубы КОСС | труб КОСС |
| Д | трубе КОСС | трубам КОСС |
| В | трубу КОСС | трубы КОСС |
| Т | трубой КОСС | трубами КОСС |
| П | трубе КОСС | трубах КОСС |