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Information × Registration Number 0303U009024, 0103U007088 , R & D reports Title Certification of tubes from grades 13 ГС of the diameter 530 mm according to TU U 14-8-19-99, TU U 14-8-20-99, TU 14-3-1948-94 manufactured by Open Joint Stock company " Novomoskovsk tube plant" in system for Ukrainian certification of products popup.stage_title Сертифікація електрозварних труб у системі Укр СЕПРО Head Vorona V.M., Registration Date 12-09-2003 Organization Inter-regional scientific-engineering centre of standardization and certification of tubes, cylinders and other metal production popup.description2 The stability of the technology of production of welded joints was established. The quality of surface was examined.. The mechanical and technological tests in accordance with requirements of the normative documents were carried out with the positive results. As a result the certificate of conformity was given Product Description popup.authors popup.nrat_date 2020-04-02 Close