Low thermal expansion Ni-base superalloy
    1.
    发明公开
    Low thermal expansion Ni-base superalloy 有权
    Ni-basierte Superlegierung mit geringerWärmeausdehnung

    公开(公告)号:EP2418295A1

    公开(公告)日:2012-02-15

    申请号:EP11008616.2

    申请日:2007-06-13

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15 % or less; Si: 1 % or less; Mn: 1 % or less; Cr: 5 % or more but less than 20 %; at least one of Mo, W and Re, in which Mo + 1/2(W + Re) is 5 % or more but less than 20 %; W: 10 % or less: Al: 0.1 to 2.5 %; Ti: 0.10 to 0.95 %; Nb + 1/2 Ta: 1.5 % or less; B: 0.001 to 0.02 %; Zr: 0.001 to 0.2 %; Fe: 4.0 % or less; and a balance of inevitable impurities and Ni, wherein the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5 % in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译: 本发明涉及以质量%计含有C:0.15%以下的低热膨胀性Ni基超合金。 Si:1%以下; Mn:1%以下; Cr:5%以上但小于20%; Mo,W和Re中的至少一种,Mo + 1/2(W + Re)为5%以上且小于20%。 W:10%以下:Al:0.1〜2.5% Ti:0.10〜0.95% Nb + 1/2 Ta:1.5%以下; B:0.001〜0.02% Zr:0.001〜0.2% Fe:4.0%以下; 余量为不可避免的杂质和Ni,其中Al,Ti,Nb和Ta的总量按原子%计为2.0〜6.5%。 本发明的低热膨胀性Ni基超合金的热膨胀系数与12Cr的铁素体钢的热膨胀系数几乎相等,耐高温性优异,耐腐蚀性,耐氧化性优异,热加工性良好,焊接性优异。

    Ni-based super alloy
    2.
    发明公开
    Ni-based super alloy 有权
    Superlegierung auf Nickelbasis

    公开(公告)号:EP1837411A1

    公开(公告)日:2007-09-26

    申请号:EP07005969.6

    申请日:2007-03-22

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention provides a Ni-based super alloy including, by mass %, C: 0.01 to 0.15%; Si: 1% or less; Mn: 1% or less; P: 0.02% or less; S: 0.01% or less; Co: less than 0.10%; Cr: 16 to 22 %; Mo: 4 to 10%; W: 5% or less; Al: 1.2 to 2.5%; Ti: 2.4 to 4%; B: 0.001 to 0.05%; Zr: 0.01 to 0.5%; Fe: 1% or less; and a balance of Ni and inevitable impurities.

    摘要翻译: 本发明提供以质量%计含有C:0.01〜0.15%的Ni系超合金。 Si:1%以下; Mn:1%以下; P:0.02%以下; S:0.01%以下; Co:小于0.10%; Cr:16〜22% Mo:4〜10% W:5%以下; Al:1.2〜2.5% Ti:2.4〜4% B:0.001〜0.05% Zr:0.01〜0.5% Fe:1%以下; 和Ni和不可避免的杂质的平衡。

    High corrosion-resistant, high-strength and non-magnetic stainless steel
    4.
    发明授权
    High corrosion-resistant, high-strength and non-magnetic stainless steel 有权
    高耐腐蚀性,高强度和非磁性不锈钢

    公开(公告)号:EP2248919B1

    公开(公告)日:2015-10-21

    申请号:EP10004443.7

    申请日:2010-04-27

    摘要: The present invention provides a high corrosion-resistant, high-strength and non-magnetic stainless steel containing: C: 0.01% to 0.05% by mass, Si: 0.05% to 0.50% by mass, Mn: more than 16.0% by mass but 19.0% by mass or less, P: 0.040% by mass or less, S: 0.010% by mass or less, Cu: 0.50% to 0.80% by mass, Ni: 3.5% to 5.0% by mass, Cr: 17.0% to 21.0% by mass, Mo: 1.80% to 3.50% by mass, B: 0.0010% to 0.0050% by mass, O: 0.010% by mass or less, and N: 0.45% to 0.65% by mass, with the balance substantially composed of Fe and unavoidable impurities, the steel satisfying the following equations (1) to (4): Cr + 3.3 × Mo + 16 × N ‰¥ 30 Cr / C ‰¥ 330 Cr / Mn > 1.0 Ni + 3 × Cu / Cr + Mo > 0.25 wherein [Cr], [Mo], [N], [C], [Mn], [Ni] and [Cu] represent the content of Cr, the content of Mo, the content of N, the content of C, the content of Mn, the content of Ni, and the content of Cu in the steel in terms of mass %, respectively.

    Heat resistant steel for exhaust valve
    5.
    发明公开
    Heat resistant steel for exhaust valve 审中-公开
    HitzebeständigerStahlfürAbgasventil

    公开(公告)号:EP2371980A1

    公开(公告)日:2011-10-05

    申请号:EP11002507.9

    申请日:2011-03-25

    摘要: The present invention provides a heat resistant steel for an exhaust valve, containing: more than 0.50% by mass but less than 0.80% by mass of C, more than 0.30% by mass but less than 0.60% by mass ofN, 17.0% by mass or more but less than 25.0% by mass of Cr, 4.0% by mass or more but less than 12.0% by mass of Ni, 7.0% by mass or more but less than 14.0% by mass of Mn, 2.0% by mass or more but less than 6.0% by mass of Mo, more than 0.5% by mass but less than 1.5% by mass of Si, and 0.025% by mass or more but less than 1.0% by mass of Nb, with the balance consisting of Fe and unavoidable impurities, in which a content of P contained in the unavoidable impurities is regulated to less than 0.03% by mass, a total content of C and N is from 0.85% by mass to 1.3% by mass, and a ratio of the content ofNb to the content of C is 0.05 or more but less than 1.8.

    摘要翻译: 本发明提供一种用于排气阀的耐热钢,其含有超过0.50质量%且小于0.80质量%的C,大于0.30质量%且小于0.60质量%的N,17.0质量% 以上且小于25.0质量%的Cr,4.0质量%以上且小于12.0质量%的Ni,7.0质量%以上且小于14.0质量%的Mn,2.0质量%以上 但小于6.0质量%的Mo,大于0.5质量%且小于1.5质量%的Si,以及0.025质量%以上且小于1.0质量%的Nb,余量由Fe和 将不可避免的杂质中含有的P的含量调节为0.03质量%以下的不可避免的杂质,C和N的总含量为0.85质量%〜1.3质量%,Nb的含量比 C含量为0.05以上且小于1.8。

    Low thermal expansion Ni-base superalloy
    6.
    发明公开
    Low thermal expansion Ni-base superalloy 有权
    Nickel-Superlegierung mit geringerWärmeausdehnung

    公开(公告)号:EP1867740A1

    公开(公告)日:2007-12-19

    申请号:EP07011609.0

    申请日:2007-06-13

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo + 1/2(W + Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb + 1/2Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.

    摘要翻译: 本发明涉及以质量%计含有C:0.15%以下的低热膨胀性Ni基超合金。 Si:1%以下; Mn:1%以下; Cr:5%以上但小于20%; Mo,W和Re中的至少一种,Mo + 1/2(W + Re)为5%以上且小于20%。 W:10%以下; Al:0.1〜2.5% Ti:0.10〜0.95% Nb + 1 / 2Ta:1.5%以下; B:0.001〜0.02% Zr:0.001〜0.2% Fe:4.0%以下; 余量的不可避免的杂质和Ni,其中Al,Ti,Nb和Ta的总量以原子%换算为2.0〜6.5%。 本发明的低热膨胀性Ni基超合金的热膨胀系数与12Cr的铁素体钢的热膨胀系数几乎相等,耐高温性优异,耐腐蚀性,耐氧化性优异,热加工性良好,焊接性优异。

    Low thermal expansion Ni-base superalloy
    9.
    发明授权
    Low thermal expansion Ni-base superalloy 有权
    低热膨胀Ni基高温合金

    公开(公告)号:EP2418295B1

    公开(公告)日:2017-10-11

    申请号:EP11008616.2

    申请日:2007-06-13

    IPC分类号: C22C19/05

    CPC分类号: C22C19/056 C22C19/055

    摘要: The present invention relates to a low thermal expansion Ni-base superalloy containing, in terms of mass %, C: 0.15% or less; Si: 1% or less; Mn: 1% or less; Cr: 5% or more but less than 20%; at least one of Mo, W and Re, in which Mo + 1/2(W + Re) is 5% or more but less than 20%; W: 10% or less; Al: 0.1 to 2.5%; Ti: 0.10 to 0.95%; Nb + 1/2Ta: 1.5% or less; B: 0.001 to 0.02%; Zr: 0.001 to 0.2%; Fe: 4.0% or less; and a balance of inevitable impurities and Ni, in which the total amount of Al, Ti, Nb and Ta is 2.0 to 6.5% in terms of atomic %. The low thermal expansion Ni-base superalloy of the present invention has a thermal expansion coefficient almost equal to that of 12 Cr ferritic steel, excellent high temperature strength, excellent corrosion and oxidation resistance, good hot-workability, and excellent weldability.