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1. 发明专利

JP2005133106A Corrosion resistant cast alloy 审中-公开
标题翻译：耐腐蚀铸件合金
公开(公告)号：JP2005133106A
公开(公告)日：2005-05-26
申请号：JP2003367110
申请日：2003-10-28
申请人： Daido Steel Co Ltd , Ebara Corp , 大同特殊鋼株式会社 , 株式会社荏原製作所
发明人： NOGUCHI MANABU , MATSUOKA KEI , SAKAMOTO HIDEYUKI , UCHINO AKIRA , UEDA SHIGENORI , SAWADA YOSHIYUKI
IPC分类号： C23C10/50 , C22C19/05 , C23C30/00
摘要： PROBLEM TO BE SOLVED: To provide a cast alloy in which an alloy surface layer is provided with an Al-concentrated layer having excellent corrosion resistance in an environment having strong corrosiveness where chlorination corrosion, sulfurization corrosive or the like are simultaneously generated together with high temperature oxidation. SOLUTION: The corrosion resistant cast alloy has an Al-concentrated layer formed by surface treatment and having corrosion resistance to chlorination corrosion and sulfidation corrosion under high temperature oxidation. The corrosion resistant cast alloy is obtained by providing the surface of an alloy comprising, by mass, 23 to 40% Cr, 5 to 15% W, 0.3 to 4% Si, ≤2.5% Al, ≤3% Nb, 0.1 to 0.5% C, ≤2.0% Mn, and the balance Fe with inevitable impurities with an Al-concentrated layer formed by surface treatment. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种铸造合金，其中合金表面层在具有强腐蚀性的环境中具有优异的耐腐蚀性的Al浓缩层，其中氯化腐蚀，硫化腐蚀性等同时产生在一起具有高温氧化。
解决方案：耐腐蚀铸造合金具有通过表面处理形成的Al浓缩层，并且在高温氧化下具有耐氯化腐蚀和硫化腐蚀的耐腐蚀性。耐腐蚀铸造合金是通过提供合金的表面得到的，该合金的质量为23〜40％的Cr，5〜15％的W，0.3〜4％的Si，≤2.5％的Al，≤3％的Nb，0.1〜0.5 ％C，≤2.0％Mn，余量为Fe与不可避免的杂质，通过表面处理形成Al浓缩层。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2005133107A Ni BASED HEAT RESISTANT ALLOY 有权
标题翻译：镍基耐热合金
公开(公告)号：JP2005133107A
公开(公告)日：2005-05-26
申请号：JP2003367111
申请日：2003-10-28
申请人： Daido Steel Co Ltd , Ebara Corp , 大同特殊鋼株式会社 , 株式会社荏原製作所
发明人： NOGUCHI MANABU , MATSUOKA KEI , SAKAMOTO HIDEYUKI , UCHINO AKIRA , UEDA SHIGENORI , SAWADA YOSHIYUKI
IPC分类号： C22C19/05
摘要： PROBLEM TO BE SOLVED: To provide an Ni based alloy which has sufficient high temperature strength in a high temperature composite corrosive environment where chlorination and sulfurization simultaneously occur in addition to high temperature oxidation without performing excessive cooling, surface protection or the like, and having excellent local corrosion resistance without requiring structural control by heat treatment which has been indispensable for improving its corrosion resistance.
SOLUTION: The high temperature corrosion resistant Ni based heat resistant alloy has a composition comprising, by mass, 23 to 40% Cr, 5 to 15% W, 0.3 to 4% Si, 1.5 to 2.5% Al, 0.1 to 5% of at least one element selected from Ti, Zr, Hf, V, Nb and Ta, 0.1 to 0.5% C, ≤2.0% Mn and ≤25% Fe, and the balance Ni.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供在高温复合腐蚀环境中具有足够的高温强度的Ni基合金，其中除了高温氧化之外同时发生氯化和硫化，而不会过度冷却，表面保护等，并且具有优异的局部耐腐蚀性，而不需要通过热处理进行结构控制，这是提高其耐腐蚀性所必不可少的。解决方案：耐高温耐腐蚀的Ni基耐热合金具有质量为23〜40％的Cr，5〜15％的W，0.3〜4％的Si，1.5〜2.5％的Al，0.1〜5 选自Ti，Zr，Hf，V，Nb和Ta中的至少一种元素的％，0.1至0.5％C，≤2.0％Mn和≤25％Fe，余量为Ni。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2013117054A Precipitation hardening stainless steel 有权
标题翻译：降低硬化不锈钢
公开(公告)号：JP2013117054A
公开(公告)日：2013-06-13
申请号：JP2011265795
申请日：2011-12-05
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： AKASHI MARI , UEDA SHIGENORI
IPC分类号： C22C38/00 , C22C38/52 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a precipitation hardening stainless steel which jointly combines high corrosion resistance and high hardness.SOLUTION: The precipitation hardening stainless steel includes C≤0.05 mass%, 0.5≤Si
摘要翻译：要解决的问题：提供结合高耐腐蚀性和高硬度的沉淀硬化不锈钢。解决方案：沉淀硬化不锈钢包括C≤0.05质量％，0.5≤Si<2.0质量％，Mn≤1.50质量％，2.0≤Cu≤5.0质量％，2.0≤Ni<7.0质量％，10.0≤Cr ≤15.0质量％，1.0≤Co≤5.0质量％，2.0

4. 发明专利

JP2011125874A Method of producing welding wire 有权
标题翻译：生产焊丝的方法
公开(公告)号：JP2011125874A
公开(公告)日：2011-06-30
申请号：JP2009284446
申请日：2009-12-15
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： KOYANAGI SADAHIKO , UEDA SHIGENORI
IPC分类号： B23K35/40 , B23K35/30 , C22B9/16 , C22B9/18 , C22C19/05 , C22F1/00 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a welding wire made of Ni-based super alloy excellent in welding property and bonding strength. SOLUTION: A first ingot having a composition which contains, by mass, 0.01% or more and 0.15% or less of C, 1% or less of Si, 1% or less of Mn, 5% or more and 20% or less of Cr, more than 5% and 10% or less of Mo, less than 20% of W, more than 5% and 15% or less of Mo+(1/2)W, 0.8% or more and less than 1.5% of Al, 0.30% or more and 0.85% or less of Ti, more than 1.5% and 3.0% or less of Nb and 4.0% or less of Fe, wherein Al+Ti+Nb is 3.0 atm% or more and 5.9 atm% or less, and wherein the atom% ratio:Nb/(Al+Ti) is 0.35 or more and 0.60 or less, and the balance being Ni and inevitable impurities is obtained by a VIF method, is formed into a second ingot by applying a VAR method and an ESR method and is formed into the welding wire through homogenizing processing, hot working, solid solubilizing processing and wire drawing working. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种焊接性能和接合强度优异的由Ni基超级合金制成的焊丝的制造方法。解决方案：具有以质量计含有C，1％或更少的Si，1％或更少的Mn，5％或更多和20％的Si的0.01％或更多和0.15％或更少的Cr，大于5％和10％以下的Mo，小于20％的W，超过5％和15％以下的Mo +（1/2）W，0.8％以上且小于1.5 的Al，0.30％以上且0.85％以下的Ti，超过1.5％，3.0％以下的Nb和4.0％以下的Fe，其中Al + Ti + Nb为3.0atm％以上且5.9atm ％以下，并且其中原子％比率：Nb /（Al + Ti）为0.35以上且0.60以下，余量由VIF法获得，其余为Ni和不可避免的杂质，通过涂布形成第二锭 VAR方法和ESR方法，通过均质处理，热加工，固溶处理和拉丝加工形成焊丝。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2011001592A High-strength and high-corrosion resistance stainless steel, and steel material and steel product using the same 有权
标题翻译：高强度和高耐腐蚀性不锈钢，钢材和使用该钢的钢产品
公开(公告)号：JP2011001592A
公开(公告)日：2011-01-06
申请号：JP2009144930
申请日：2009-06-18
申请人： Daido Steel Co Ltd , Nippon Seisen Co Ltd , 大同特殊鋼株式会社 , 日本精線株式会社
发明人： UEDA SHIGENORI , ISHIKAWA KOICHI , KAWABATA NAOYUKI
IPC分类号： C22C38/00 , C22C38/42 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a high-strength and high-corrosion resistance stainless steel by the composite addition of Ni and Cu, the balance therebetween, and their composite addition and the regulation of a Cr content and a C content, which is provided with strength equal to or above that of the conventional ferritic stainless steel, and further has excellent corrosion resistance as well.SOLUTION: The high-strength and high-corrosion resistance stainless steel has a composition comprising 0.005≤C≤0.020 mass%, 0.2≤Si≤1.0 mass%, 0.2≤Mn≤1.0 mass%, 1.0
摘要翻译：要解决的问题：通过复合添加Ni和Cu来提供高强度和高耐腐蚀性的不锈钢，其间的平衡以及它们的复合添加和Cr含量和C含量的调节，其被提供强度等于或高于常规铁素体不锈钢的强度，并且还具有优异的耐腐蚀性。解决方案：高强度和高耐腐蚀性不锈钢具有0.005≤C≤0.020质量％的组成，0.2≤ Si≤1.0质量％，0.2≤Mn≤1.0质量％，1.0≤Ni≤3.0质量％，20.0≤Cr≤23.0质量％，1.0

6. 发明专利

JP2010024544A Warm-hot forging die 有权
标题翻译：高温锻造机
公开(公告)号：JP2010024544A
公开(公告)日：2010-02-04
申请号：JP2009061407
申请日：2009-03-13
申请人： Daido Steel Co Ltd , Nissan Motor Co Ltd , 大同特殊鋼株式会社 , 日産自動車株式会社
发明人： GOMI NOBUYUKI , INOUE KOICHIRO , KONO MASAMICHI , UEDA SHIGENORI , MORIKAWA HIDETO , SHIODA TETSUO , KOMORI MAKOTO , MATSUNAE HIROKI
IPC分类号： C22C19/05 , B21J13/02 , C22C38/00 , C22C38/52 , C22F1/00 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a warm-hot forging die whose service life can be improved compared with the conventional one.
SOLUTION: The warm-hot forging die is formed of an Ni based alloy having a composition comprising, by mass, ≤0.1% C, ≤2.0% Si, ≤2.0% Mn, 35 to 40% Cr, 3.0 to 4.5% Al, and the balance Ni with inevitable impurities, and, after being subjected to solution treatment in which solid solution temperature T shown by formula (1)±20°C lies in the range of 1,000 to 1,250°C, is subjected to aging treatment in the range of 700 to 820°C, and has hardness of 45 to 55 HRC: formula (1): T=-348.06+32.04Cr+71.53Al (T: solid solution temperature (°C), and Cr and Al are respective contents (mass%)).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种与常规锻造模具相比，其使用寿命可以提高的热锻模具。解决方案：热锻模具由Ni基合金形成，该镍基合金的质量含量为≤0.1％C，≤2.0％Si，≤2.0％Mn，35-40％Cr，3.0-4.5 ％Al，余量为不可避免的杂质，在进行了式（1）〜20℃的固溶温度T为1000〜1250℃的固溶处理后，进行老化处理范围为700〜820℃，硬度为45〜55HRC：式（1）：T = -348.06 + 32.04Cr + 71.53Al（T：固溶温度（℃），Cr和Al 各自的含量（质量％））。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2008184635A Fastening member 审中-公开
标题翻译：紧急会员
公开(公告)号：JP2008184635A
公开(公告)日：2008-08-14
申请号：JP2007017519
申请日：2007-01-29
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： OGAWA MICHIHARU , SHIMIZU TETSUYA , UEDA SHIGENORI
IPC分类号： C22C19/05 , C22F1/00 , C22F1/10 , F16B35/00 , F16B37/00
摘要： PROBLEM TO BE SOLVED: To provide a non-magnetic fastening member with which the cold-workability and the balance between strength and toughness are good.
SOLUTION: The fastening member is composed by wt.% alloy of 30-45% Cr, 1.5-5.0% Al and the balance substantially Ni with inevitable impurities, and a heat treatment is applied so as to satisfy the formula, (T+273)×(20+logt)/1000=20.5 to 26.5 (wherein T (°C) is made to be 650°C≤T≤ solid solution temperature of α phase). in the relation between a treating temperature T(°C) and a holding time t(h) and the hardness at its center part is made to be
摘要翻译：要解决的问题：提供冷加工性和强度和韧性之间的平衡良好的非磁性紧固构件。
解决方案：紧固件由30-45％Cr，1.5-5.0％Al，余量基本上为Ni和不可避免的杂质的重量％合金组成，并且应用热处理以满足式（（ T + 273）×（20 + logt）/ 1000 = 20.5〜26.5（其中T（℃）为650℃≤T≤α相固溶温度）。在处理温度T（℃）和保持时间t（h）之间的关系和其中心部分处的硬度为<600Hv。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008144202A Heat-resistant spring and manufacturing method therefor 有权
标题翻译：耐热弹簧及其制造方法
公开(公告)号：JP2008144202A
公开(公告)日：2008-06-26
申请号：JP2006330518
申请日：2006-12-07
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： KURATA SEIJI , UEDA SHIGENORI , SHIMIZU TETSUYA
IPC分类号： C22C19/05 , C22F1/00 , C22F1/10
摘要： PROBLEM TO BE SOLVED: To provide a heat-resistant spring having excellent corrosion resistance/oxidizing resistance and a thermal-expansion coefficient almost as the same as a ferritic heat-resistant alloy and excellent tensile strength and creep strength at high temperature, and a manufacturing method therefor.
SOLUTION: This heat-resistant spring is obtained through the following processes, that is; this spring is a Ni-based alloy composed by mass% of 0.01-0.15% C, ≤1.0% Si, ≤1.0% Mn, 5.0-25.0% Cr, 10-20% Mo, ≤10% W, 12.0-25.0% Mo+1/2(W+Re), 0.1-2.5% Al, 0.1-3.0% Ti, 0.001-0.02% B, 0.001-0.2% Zr, ≤4.0% Fe and the balance Ni with inevitable impurities, and ≤14.0×10
-6 /°C average thermal-expansion coefficient till 700°C, and after applying a solid-solution heat-treatment at 1000-1200°C to this Ni-based alloy, a cold-wire drawing at ≥20% working ratio, is performed to form into the spring-shape, and one-step ageing treatment at 600-900°C for 1-50 hr, is applied to obtain the heat-resistant spring precipitating γ-phase and A
2 B-phase. Then, this manufacturing method is provided as the above processes.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供耐腐蚀性/耐氧化性优异的耐热弹簧和与铁素体耐热合金几乎相同的热膨胀系数，并且在高温下具有优异的抗拉强度和蠕变强度，及其制造方法。
解决方案：该耐热弹簧通过以下过程获得，即该弹簧是由质量％为0.01-0.15％C，≤1.0％Si，≤1.0％Mn，5.0-25.0％Cr，10-20％Mo，≤10％W，12.0-25.0％ Mo + 1/2（W + Re），0.1-2.5％Al，0.1-3.0％Ti，0.001-0.02％B，0.001-0.2％Zr，≤4.0％Fe，余量为不可避免的杂质，≤14.0 ×10 -6 /℃的平均热膨胀系数直至700℃，并且在1000-1200℃下对该Ni基合金进行固溶热处理之后，以≥20％的加工率进行拉丝，形成弹簧形状，在600-900℃下进行1-50小时的一步时效处理，得到耐热弹簧析出γ相和A 2 B相。然后，作为上述方法提供该制造方法。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2007254804A Ni-BASED ALLOY 有权
标题翻译：镍基合金
公开(公告)号：JP2007254804A
公开(公告)日：2007-10-04
申请号：JP2006079447
申请日：2006-03-22
申请人： Daido Steel Co Ltd , 大同特殊鋼株式会社
发明人： KURATA SEIJI , UEDA SHIGENORI , SHIMIZU TETSUYA
IPC分类号： C22C19/05 , F01L3/02
CPC分类号： C22C19/056 , C22C19/055
摘要： PROBLEM TO BE SOLVED: To provide a relatively inexpensive Ni-based alloy having excellent high temperature mechanical properties and machinability.
SOLUTION: The Ni-based alloy has a composition comprising, by weight, 0.01 to 0.15% C, ≤1% Si, ≤1% Mn, ≤0.02% P, ≤0.01% S,
摘要翻译：要解决的问题：提供具有优异的高温机械性能和可加工性的相对便宜的Ni基合金。解决方案：Ni基合金具有以下成分：C：0.01〜0.15％，Si：≤1％，≤0.02％P：≤0.01％S，<0.10％Co，16 至22％Cr，4〜10％Mo，≤5％W，1.2〜2.5％Al，2.4〜4％Ti，0.001〜0.05％B，0.01〜0.5％Zr和≤1％Fe，余量基本为Ni 有不可避免的杂质。 Mo + 1 / 2W优选为4〜10％的范围。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2015045034A マルテンサイト系Ｂｉ快削ステンレス鋼有权
标题翻译： MARTENSITIC双自由切割不锈钢
公开(公告)号：JP2015045034A
公开(公告)日：2015-03-12
申请号：JP2013175185
申请日：2013-08-27
申请人：大同特殊鋼株式会社 , Daido Steel Co Ltd
发明人： AKASHI MARI , UEDA SHIGENORI
IPC分类号： C22C38/00 , C22C38/60
摘要：【課題】快削元素としてのPbを含まず、Pbに代えてBiをS,Teとともに複合添加して成るマルテンサイト系快削ステンレス鋼において、Pbに代えてBiを添加することにより良好な被削性を確保しつつ熱間加工性の低下の問題を解決することを目的とする。【解決手段】マルテンサイト系Bi快削ステンレス鋼を、質量%でC:0.10超〜0.35%未満,Si:0.10〜2.0%,Mn:0.80〜2.0%,P:0.005〜0.050%,S:0.10〜0.30%,Cr:10.0〜18.0%,Bi:0.01〜0.30%,Te:0.01〜0.10%,O:0.005〜0.030%,B:0.0005〜0.0100%,N:0.04%以下,残部Fe及び不可避的不純物の組成を有し、下記式(1),式(2),式(3)5?[C]+2?[S]+10?[Te]+3?[Bi]≦̸2.90・・式(1)3.0≦̸[Mn]/[S]≦̸15.0・・式(2)10≦̸[S]/[O]≦̸40・・式(3)を満たし、且つ円相当径が2.0μm以上でアスペクト比が10以下である硫化物が総量として面積率で0.50〜10.0%存在するようにする。【選択図】なし
摘要翻译：要解决的问题：为了解决热加工性降低的问题，同时通过在不含Pb的马氏体不含切削不锈钢中添加Bi代替Pb来确保良好的切削加工性，作为自由切削元件，并且通过复合添加Bi代替 Pb与S和Te一起使用。马氏体Bi自由切削不锈钢具有以质量％计含有C：0.10〜0.35％以下，Si：0.10〜2.0％，Mn：0.80〜2.0％，P ：0.005〜0.050％，S：0.10〜0.30％，Cr：10.0〜18.0％，Bi：0.01〜0.30％，Te：0.01〜0.10％，O：0.005〜0.030％，B：0.0005〜0.0100，N： 0.04％以下，余量为不可避免的杂质，满足下式（1），式（2）和式（3），5×[C] + 2×[S] + 10×[Te] + 3× [Bi]≤2.90式（1），3.0≤[Mn] / [S]≤15.0式（2），10≤[S] / [O]≤40式（3）为2.0μm以上，纵横比为10以下，面积比为0.50〜10.0％。

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