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Information × Registration Number 0300U002175, 0198U005378 , R & D reports Title The periodical attestation of production technology of boiler tubes made at J.S.C. Pervouralsky Novotrubny Tube Plant according to Specifications 14-3-460-75 on providing the norm of rupture strength and yield strength at high temperatures and issuing the guarantee confirmation of these tubes for three-year period (till March, 2001) popup.stage_title Періодичне атестування технології виготовлення котлових труб виробництва АТ "ПНТЗ" по ТУ 14-3-460-75 на забезпечення норм межі тривалої міцності та текучості при високих температурах і надання підтвердження на їх гарантованість на трьохрічний період (до 2001 року) Head Kobus A.A., Registration Date 15-05-2000 Organization State Scientific Research Tube Institute popup.description2 The analysis of current production of boiler tubes manufactured according to Specifications 14-3-460-75 and control as for the observation of tube production technology requirements were made. The tube heat-resistance was examined. The direct tests of rupture strength of five technological variations of tubes be production for 100 thousand hours were made. The positive results of tests allowed to attestate the technolegy of tube production on all five technological variants and gave the gaurantee resolution to the plant on the possibility of heat-resistance guarantee of this tubes Product Description popup.authors popup.nrat_date 2020-04-03 Close