公开(公告)号：EP3228725A4

公开(公告)日：2018-07-25

申请号：EP15864732

申请日：2015-12-03

申请人： KOREA ATOMIC ENERGY RES INSTITUTE

发明人： KIM YOUNG-SUK ,  KIM SUNG-SOO ,  KIM DAE-WHAN

IPC分类号： C22F1/10 ,  C22C19/05

CPC分类号： C22F1/10 ,  C22C19/05

摘要： The present invention relates to a method for manufacturing Alloy 690 ordered alloy to be used in a steam generator tube serving as a heat exchanger in a nuclear power plant (hereinafter, referred to as NPP), and Alloy 690 ordered alloy manufactured thereby, and provides a method for manufacturing Alloy 690 ordered alloy with improved thermal conductivity, and Alloy 690 ordered alloy manufactured thereby, the method comprising the steps of: solution-annealing Alloy 690; cooling the solution-annealed Alloy 690 to a first temperature of 200°C/min or less; and ordering the cooled Alloy 690 in the temperature range of 410-520°C.