公开(公告)号：EP3208355B1

公开(公告)日：2018-07-11

申请号：EP17154800.1

申请日：2017-02-06

申请人： Daido Steel Co.,Ltd.

发明人： Osaki, Mototsugu ,  Ueta, Shigeki ,  Izumi, Kohki

IPC分类号： C22C19/05

CPC分类号： C22C19/056

摘要： The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Nb: 2.0% or more and less than 4.0%, Al: more than 3.0% and less than 5.0%, and Ti: more than 1.0% and less than 3.0%, with the balance being unavoidable impurities and Ni, in which the component composition satisfies the following two relationships: 3.5 ‰¤ ([Ti]+[Nb])/[Al]×10

公开(公告)号：EP3208355A1

公开(公告)日：2017-08-23

申请号：EP17154800.1

申请日：2017-02-06

申请人： Daido Steel Co.,Ltd.

发明人： Osaki, Mototsugu ,  Ueta, Shigeki ,  Izumi, Kohki

IPC分类号： C22C19/05

CPC分类号： C22C19/056

摘要： The present invention relates to an Ni-based superalloy for hot forging, containing, in terms of % by mass, C: more than 0.001 % and less than 0.100%, Cr: 11% or more and less than 19%, Co: more than 5% and less than 25%, Fe: 0.1% or more and less than 4.0%, Mo: more than 2.0% and less than 5.0%, W: more than 1.0% and less than 5.0%, Nb: 2.0% or more and less than 4.0%, Al: more than 3.0% and less than 5.0%, and Ti: more than 1.0% and less than 3.0%, with the balance being unavoidable impurities and Ni, in which the component composition satisfies the following two relationships: 3.5 ≤ ([Ti]+[Nb])/[Al]×10

摘要翻译： 本发明涉及用于热锻的Ni基超合金，其按质量百分比计含有：C：大于0.001％且小于0.100％，Cr：11％以上且小于19％，Co：更多 5％以上且小于25％，Fe：0.1％以上且小于4.0％，Mo：大于2.0％且小于5.0％，W：大于1.0％且小于5.0％，Nb：2.0％或 以上且小于4.0％，Al：大于3.0％且小于5.0％，Ti：大于1.0％且小于3.0％，余量为不可避免的杂质和Ni，其中组分组成满足以下两个 关系：3.5≤（[Ti] + [Nb]）/ [Al]×10 <6.5和9.5≤[Al] + [Ti] + [Nb] <13.0。