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    NI-BASED SUPERALLOY
    1.
    发明公开
    NI-BASED SUPERALLOY 审中-公开

    公开(公告)号：EP3366794A1

    公开(公告)日：2018-08-29

    申请号：EP18157015.1

    申请日：2018-02-15

    申请人： Daido Steel Co.,Ltd.

    发明人： YOKOTA, Kyohei ,  SUMI, Yoshinori ,  KOYANAGI, Yoshihiko ,  TAKABAYASHI, Hiroyuki

    IPC分类号： C22C19/05

    CPC分类号： C22C19/057 ,  C22C19/05 ,  C22C19/056

    摘要： The present invention relates to an Ni-based superalloy having a composition containing, in terms of % by mass, C: from 0.1 to 0.3%, Cr: from 8.0 to 12.0%, Mo: from 1.0 to 5.0%, Co: from 10.0 to 20.0%, Ta: from 0.01 to 1.50%, Ti: from 2.0 to 4.2%, Al: from 5.0 to 8.0%, V: from 0 to 1.5%, B: from 0.005 to 0.030%, and Zr: from 0.05 to 0.15%, with the balance being Ni and unavoidable impurities, and satisfying, in terms of atom%, Ti+Al being from 16.0 to 20.3% and Ti/Al being 0.3 or less.

    MARAGING STEEL
    5.
    发明公开
    MARAGING STEEL 有权
    马钢

    公开(公告)号：EP3095884A1

    公开(公告)日：2016-11-23

    申请号：EP16170618.9

    申请日：2016-05-20

    申请人： Daido Steel Co.,Ltd.

    发明人： HINOSHITA, Keita ,  SUGIYAMA, Kenji ,  TAKABAYASHI, Hiroyuki ,  UETA, Shigeki

    IPC分类号： C21D6/00 ,  C21D6/04 ,  C21D7/13 ,  C21D1/25 ,  C22C38/06 ,  C22C38/44 ,  C22C38/50 ,  C22C38/52

    摘要： The present invention relates to a maraging steel containing, in terms of mass%, 0.10 ≤ C ≤ 0.35, 9.0 ≤ Co ≤ 20.0, 1.0 ≤ (Mo + W/2) ≤ 2.0, 1.0 ≤ Cr ≤ 4.0, a certain amount ofNi, a certain amount of A1, and V + Nb ≤ 0.60, with the balance being Fe and inevitable impurities, in which in a case of V + Nb ≤ 0.020, the amount of Ni is 6.0 ≤ Ni ≤ 9.4 and the amount of Al is 1.4 ≤ A1 ≤ 2.0, and in a case of 0.020

    摘要翻译： 本发明涉及以质量％计含有0.10≤C≤0.35,9.0≤Co≤20.0,1.0≤（Mo + W / 2）≤2.0,1.0≤Cr≤4.0的马氏体时效钢，一定量的Ni ，一定量的Al和V +Nb≤0.60，其余为Fe和不可避免的杂质，其中在V +Nb≤0.020的情况下，Ni的量为6.0≤Ni≤9.4，Al的量 为1.4≤Al≤2.0，在0.020