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1. 发明授权

US08293169B2 Ni-base heat resistant alloy 有权
标题翻译：镍基耐热合金
公开(公告)号：US08293169B2
公开(公告)日：2012-10-23
申请号：US13070689
申请日：2011-03-24
申请人： Hiroyuki Semba , Atsuro Iseda , Hiroyuki Hirata , Kaori Kawano , Masaaki Igarashi , Osamu Miyahara
发明人： Hiroyuki Semba , Atsuro Iseda , Hiroyuki Hirata , Kaori Kawano , Masaaki Igarashi , Osamu Miyahara
IPC分类号： C22C19/05
CPC分类号： C22C19/055 , C22C19/056
摘要： A high strength, ductile, and tough Ni-base heat resistant alloy comprises by mass percent, C: 0.1% or less, Si: 1% or less, Mn: 1% or less, Cr: not less than 15% to less than 28%, Fe: 15% or less, W: more than 5% to not more than 20%, Al: more than 0.5% to not more than 2%, Ti: more than 0.5% to not more than 2%, Nd: 0.001 to 0.1% and B: 0.0005 to 0.01%, with the balance being Ni and impurities. Impurity contents of P, S, Sn, Pb, Sb, Zn and As are P: 0.03% or less, S: 0.01% or less, Sn: 0.020% or less, Pb: 0.010% or less, Sb: 0.005% or less, Zn: 0.005% or less and As: 0.005% or less, and formulas of [0.015≦Nd+13.4×B≦0.13], [Sn+Pb≦0.025] and [Sb+Zn +As≦0.010] are met.
摘要翻译：高强度，延性和韧性的Ni基耐热合金，以质量％计，C：0.1％以下，Si：1％以下，Mn：1％以下，Cr：15％以上，小于 28％，Fe：15％以下，W：5％以上20％以下，Al：0.5％以上2％以下，Ti：0.5％以上且2％以下，Nd ：0.001〜0.1％，B：0.0005〜0.01％，余量为Ni和杂质。 P，S，Sn，Pb，Sb，Zn和As的杂质含量P：0.03％以下，S：0.01％以下，Sn：0.020％以下，Pb：0.010％以下，Sb：0.005％较少，Zn：0.005％以下，As：0.005％以下，[0.015＆nlE; Nd + 13.4×B＆nlE; 0.13]，[Sn + Pb＆nlE; 0.025]和[Sb + Zn + As＆nlE; 0.025] 见面

2. 发明授权

US10266909B2 High-strength austenitic stainless steel for high-pressure hydrogen gas 有权
公开(公告)号：US10266909B2
公开(公告)日：2019-04-23
申请号：US14007992
申请日：2012-03-19
申请人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
发明人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusaku Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
IPC分类号： C21D9/46 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/58 , C22C38/52 , C22C38/54 , C21D6/00 , C21D8/02 , C21D1/26 , F16L9/02
摘要： There is provided an austenitic stainless steel for high-pressure hydrogen gas consisting, by mass percent, of C: 0.10% or less, Si: 1.0% or less, Mn: 3% or more to less than 7%, Cr: 15 to 30%, Ni: 10% or more to less than 17%, Al: 0.10% or less, N: 0.10 to 0.50%, and at least one kind of V: 0.01 to 1.0% and Nb: 0.01 to 0.50%, the balance being Fe and impurities, wherein in the impurities, the P content is 0.050% or less and the S content is 0.050% or less, the tensile strength is 800 MPa or higher, the grain size number (ASTM E112) is No. 8 or higher, and alloy carbo-nitrides having a maximum diameter of 50 to 1000 nm are contained in the number of 0.4/μm2 or larger in cross section observation.

3. 发明申请

US20140017111A1 HIGH-STRENGTH AUSTENITIC STAINLESS STEEL FOR HIGH-PRESSURE HYDROGEN GAS 审中-公开
标题翻译：用于高压氢气的高强度奥氏体不锈钢
公开(公告)号：US20140017111A1
公开(公告)日：2014-01-16
申请号：US14007992
申请日：2012-03-19
申请人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusabu Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
发明人： Tomohiko Omura , Jun Nakamura , Hirokazu Okada , Hiroyuki Semba , Yusabu Tomio , Hiroyuki Hirata , Masaaki Igarashi , Kazuhiro Ogawa , Masaaki Terunuma
IPC分类号： C22C38/58 , C22C38/52 , C22C38/50 , C22C38/00 , C22C38/44 , C22C38/42 , C22C38/02 , C22C38/54 , C22C38/48
CPC分类号： C21D9/46 , C21D1/26 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/0226 , C21D8/0236 , C21D8/0247 , C21D2211/001 , C21D2211/004 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/005 , C22C38/02 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58 , F16L9/02
摘要： There is provided an austenitic stainless steel for high-pressure hydrogen gas consisting, by mass percent, of C: 0.10% or less, Si: 1.0% or less, Mn: 3% or more to less than 7%, Cr: 15 to 30%, Ni: 10% or more to less than 17%, Al: 0.10% or less, N: 0.10 to 0.50%, and at least one kind of V: 0.01 to 1.0% and Nb: 0.01 to 0.50%, the balance being Fe and impurities, wherein in the impurities, the P content is 0.050% or less and the S content is 0.050% or less, the tensile strength is 800 MPa or higher, the grain size number (ASTM E112) is No. 8 or higher, and alloy carbo-nitrides having a maximum diameter of 50 to 1000 nm are contained in the number of 0.4/μm2 or larger in cross section observation.
摘要翻译：提供了一种用于高压氢气的奥氏体不锈钢，其质量百分比为C：0.10％以下，Si：1.0％以下，Mn：3％以上至小于7％，Cr：15〜 30％，Ni：10％以上至小于17％，Al：0.10％以下，N：0.10〜0.50％，V：0.01〜1.0％，Nb：0.01〜0.50％中的至少一种，余量为Fe和杂质，其中在杂质中，P含量为0.050％以下，S含量为0.050％以下，拉伸强度为800MPa以上，粒径数（ASTM E112）为8 以上，截面观察中最大直径为50〜1000nm的合金碳氮化物的含量为0.4 / m 2以上。

4. 发明授权

US07935303B2 Low alloy steel 有权
标题翻译：低合金钢
公开(公告)号：US07935303B2
公开(公告)日：2011-05-03
申请号：US12073324
申请日：2008-03-04
申请人： Takashi Nakashima , Kaori Kawano , Masaaki Igarashi
发明人： Takashi Nakashima , Kaori Kawano , Masaaki Igarashi
IPC分类号： C22C38/00 , C22C38/22
CPC分类号： C21C7/0006 , C21C7/06 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/22
摘要： According to a low alloy steel of the present invention, compositional elements thereof are limited, and a metal structure thereof comprises bainite or martensite. Further, proper amounts of Nd inclusions are formed by appropriately selecting timings of deoxidation and Nd addition in melting a steel. Consequently, compatibility between high-temperature creep strength and long-term creep ductility, which is hardly established in conventional steels, can be achieved even in hostile conditions. Accordingly, the low alloy steel of the present invention can be widely applied as the material for the heat-resistant structural member used for a long time under the high-temperature and high-pressure conditions such as power plant boilers, turbines, and nuclear power plants.
摘要翻译：根据本发明的低合金钢，其组成元素受到限制，其金属结构包括贝氏体或马氏体。此外，通过在钢中熔融时适当选择脱氧和Nd添加的定时，形成适量的Nd夹杂物。因此，即使在恶劣的条件下，也可以实现在常规钢中难以确定的高温蠕变强度与长期蠕变延展性之间的相容性。因此，本发明的低合金钢可以广泛地用作在高温高压条件下长时间使用的耐火构件的材料，例如发电厂锅炉，涡轮机和核能植物。

5. 发明申请

US20080050265A1 Low alloy steel 审中-公开
标题翻译：低合金钢
公开(公告)号：US20080050265A1
公开(公告)日：2008-02-28
申请号：US11907575
申请日：2007-10-15
申请人： Masaaki Igarashi , Kaori Kawano
发明人： Masaaki Igarashi , Kaori Kawano
IPC分类号： C22C38/32
CPC分类号： C22C38/22 , C22C38/02 , C22C38/04 , C22C38/24
摘要： A low alloy steel for a heat-resisting structural member being improved in long time creep ductility at high temperatures and temper softening resistance, characterized by comprising, by mass percent, C: 0.03 to 0.10%, Si: not more than 0.30%, Mn: not more than 1.0%, Cr: more than 1.5% to not more than 2.5%, Mo: 0.01 to 1.0%, V: 0.04 to 0.30%, Nb: 0.001 to 0.10%, Ti: 0.001 to 0.020%, B: 0.0001 to 0.020%, Al: 0.001 to 0.01% and Nd: 0.0001 to 0.050%, with the balance being Fe and impurities, wherein the content of P is not more than 0.020%, the content of S is not more than 0.003%, the content of N is less than 0.0050% and the content of O (oxygen) is not more than 0.0050% among the impurities, in which the value of BSO represented by the following formula (1) is 0.0001 to 0.010: BSO=B−(11/14)N−(11/32)S−(11/16)O (1), wherein each element symbol in the formula (1) represents the content (by mass %) of the element concerned. The steel may further contain one or more element selected from among W, Cu, Ni, Co, Mg, Ca, La, Ce, Y, Sm and Pr.
摘要翻译：用于耐热结构件的低合金钢在高温下的长时间蠕变延展性和回火软化性得到改善，其特征在于以质量％计含有C：0.03至0.10％，Si：不大于0.30％，Mn ：不大于1.0％，Cr：大于1.5％至不大于2.5％，Mo：0.01至1.0％，V：0.04至0.30％，Nb：0.001至0.10％，Ti：0.001至0.020％，B： 0.0001〜0.020％，Al：0.001〜0.01％，Nd：0.0001〜0.050％，余量为Fe和杂质，其中P含量不大于0.020％，S含量不大于0.003％在下述式（1）表示的BSO值为0.0001〜0.010的<！ - SIPO - >杂质中，N的含量小于0.0050％，O（氧）的含量为0.0050％以下。 line-formula description =“In-line Formulas”end =“lead”？> BSO = B-（11/14）N-（11/32）S-（11/16）O（1），< line-formula description =“In-line Formulas”end =“tail”？>其中式（1）中的每个元素符号代表有关要素的内容（质量百分比）。钢可以进一步含有选自W，Cu，Ni，Co，Mg，Ca，La，Ce，Y，Sm和Pr中的一种或多种元素。

6. 发明申请

US20080156400A1 Low alloy steel 有权
标题翻译：低合金钢
公开(公告)号：US20080156400A1
公开(公告)日：2008-07-03
申请号：US12073324
申请日：2008-03-04
申请人： Takashi Nakashima , Kaori Kawano , Masaaki Igarashi
发明人： Takashi Nakashima , Kaori Kawano , Masaaki Igarashi
IPC分类号： C22C38/22
CPC分类号： C21C7/0006 , C21C7/06 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/22
摘要： According to a low alloy steel of the present invention, compositional elements thereof are limited, and a metal structure thereof comprises bainite or martensite. Further, a proper amounts of Nd inclusions are formed by appropriately selecting timings of deoxidation and Nd addition in melting a steel. Consequently, compatibility between high-temperature creep strength and long-term creep ductility, which is hardly established in conventional steels, can be achieved even in hostile conditions. Accordingly, the low alloy steel of the present invention can be widely applied as the material for the heat-resistant structural member used for a long time under the high-temperature and high-pressure conditions such as power plant boilers, turbines, and nuclear power plants.
摘要翻译：根据本发明的低合金钢，其组成元素受到限制，其金属结构包括贝氏体或马氏体。此外，通过在钢中熔融时适当选择脱氧和Nd添加的定时，形成适量的Nd夹杂物。因此，即使在恶劣的条件下，也可以实现在常规钢中难以确定的高温蠕变强度与长期蠕变延展性之间的相容性。因此，本发明的低合金钢可以广泛地用作在高温高压条件下长时间使用的耐火构件的材料，例如发电厂锅炉，涡轮机和核能植物。

7. 发明授权

US08663400B2 Low alloy steel for high-pressure hydrogen gas environment and container for high-pressure hydrogen 有权
标题翻译：用于高压氢气环境的低合金钢和用于高压氢的容器
公开(公告)号：US08663400B2
公开(公告)日：2014-03-04
申请号：US12470888
申请日：2009-06-12
申请人： Tomohiko Omura , Mitsuo Miyahara , Hiroyuki Semba , Masaaki Igarashi
发明人： Tomohiko Omura , Mitsuo Miyahara , Hiroyuki Semba , Masaaki Igarashi
IPC分类号： C22C38/12 , C22C38/22 , C22C38/24
CPC分类号： C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y02E60/321
摘要： Provided is a low alloy steel for high-pressure hydrogen gas environments, which contains, by mass percent, C: 0.15 to 0.60%, Si: 0.05 to 0.5%, Mn: 0.05 to 3.0%, P: not more than 0.025%, S: not more than 0.010%, Al: 0.005 to 0.10%, Mo: 0.5 to 3.0%, V: 0.05 to 0.30%, O (oxygen): not more than 0.01%, N: not more than 0.03%, and the balance Fe and impurities, and has tensile strength of not less than 900 MPa. This low alloy steel desirably contains B of 0.0003 to 0.003%, but in this case, N is limited to not more than 0.010%. It is desirable to contain at least one among Cr, Nb, Ti, Zr, and Ca. The contents of Mo and V desirably satisfy the following formula (1): [Mo(%)]·[V(%)]0.2≧0.32 (1).
摘要翻译：本发明提供一种高压氢气环境用低合金钢，以质量％计含有C：0.15〜0.60％，Si：0.05〜0.5％，Mn：0.05〜3.0％，P：0.025％以下， S：0.010％以下，Al：0.005〜0.10％，Mo：0.5〜3.0％，V：0.05〜0.30％，O（氧）：0.01％以下，N：0.03以下，平衡Fe和杂质，抗拉强度不低于900MPa。该低合金钢理想地含有0.0003〜0.003％的B，但在这种情况下，将N限制在0.010％以下。期望含有Cr，Nb，Ti，Zr和Ca中的至少一种。 Mo和V的含量优选满足下式（1）：[Mo（％）]·[V（％）] 0.2> = 0.32（1）。

8. 发明申请

US20060191606A1 Welded joint made of an austenitic steel 有权
标题翻译：由奥氏体钢制成的焊接接头
公开(公告)号：US20060191606A1
公开(公告)日：2006-08-31
申请号：US11297433
申请日：2005-12-09
申请人： Kazuhiko Ogawa , Masaaki Igarashi , Hiroyuki Semba , Tomohiko Omura , Mitsuo Miyahara
发明人： Kazuhiko Ogawa , Masaaki Igarashi , Hiroyuki Semba , Tomohiko Omura , Mitsuo Miyahara
IPC分类号： C22C38/58
CPC分类号： C22C38/44 , B23K9/173 , B23K35/0261 , B23K35/3033 , B23K35/3066 , B23K2101/06 , B23K2101/10 , B23K2101/12 , B23K2103/05 , C22C38/001 , C22C38/02 , C22C38/48 , C22C38/50 , C22C38/58 , Y10T428/12292 , Y10T428/12951 , Y10T428/12958 , Y10T428/12965 , Y10T428/12972
摘要： A weld joint having a base material and a weld metal both of an austenitic steel, wherein the weld metal has a chemical composition, in mass %, that C: 0.04% or less, Si: 1.0% or less, Mn: 3% or less, P: 0.02% or less, S: 0.005% or less, Cr: 15 to 25%, Ni: 30% or more, Mo: 10% or less, Nb: 2.5 to 5%, Al: 3.0% or less, Ti: 0.5% or less, and the balance: Fe and inevitable impurities, the contents of Al and Ti satisfying the following: (Ti+Al)>Nb/8. The weld joint is a high strength austenitic steel weld joint which exhibits excellent toughness at a low temperature and excellent resistance to hydrogen embrittlement, which are required for a piping and a vessel for high pressure hydrogen, particularly also in a welded zone.
摘要翻译：具有基体材料和焊接金属的两种奥氏体钢的焊接接头，其中焊接金属具有质量％的化学组成，C：0.04％以下，Si：1.0％以下，Mn：3％，较小，P：0.02％以下，S：0.005％以下，Cr：15〜25％，Ni：30％以上，Mo：10％以下，Nb：2.5〜5％，Al：3.0％以下，Ti：0.5％以下，余量为Fe和不可避免的杂质，Al和Ti的含量满足下列条件：（Ti + Al）> Nb / 8。焊接接头是高强度奥氏体钢焊接接头，其特别是在焊接区域中，其表现出优异的低温韧性和优异的耐氢脆性，这是管道和高压氢气容器所必需的。

9. 发明申请

US20050178478A1 Stainless steel for high-pressure hydrogen gas, and container and device made of same 有权
标题翻译：用于高压氢气的不锈钢，以及由其制成的容器和装置
公开(公告)号：US20050178478A1
公开(公告)日：2005-08-18
申请号：US11108099
申请日：2005-04-18
申请人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
发明人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
IPC分类号： B23K35/30 , C22C38/00 , C22C38/18 , C22C38/46 , C22C38/58
CPC分类号： C22C38/18 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/46 , C22C38/58 , Y10T428/12979
摘要： A high-strength stainless steel, having good mechanical properties and corrosion resistance in a high-pressure hydrogen gas environment, and excellent in stress corrosion cracking resistance, and a container or other device for high-pressure hydrogen gas, which is made of the said stainless steel, are provided. The stainless steel is characterized in that it consists of, by mass %, C: not more than 0.02%, Si: not more than 1.0%, Mn: 3 to 30%, Cr: more than 22% but not more than 30%, Ni: 17 to 30%, V: 0.001 to 1.0%, N: 0.10 to 0.50% and Al: not more than 0.10%, and the balance Fe and impurities. Among the impurities, P is not more than 0.030%, S is not more than 0.005%, and Ti, Zr and Hf are not more than 0.01% respectively, and the contents of Cr, Mn and N satisfy the following relationship [1]: 5Cr+3.4Mn≦500N [1]
摘要翻译：一种高强度不锈钢，在高压氢气环境下具有良好的机械性能和耐腐蚀性，耐应力腐蚀开裂性优异，以及用于高压氢气的容器或其他装置，由所述不锈钢。不锈钢的特征在于，以质量％计含有C：不大于0.02％的Si：不大于1.0％，Mn：3〜30％，Cr：大于22％但不大于30％，Ni：17〜30％，V：0.001〜1.0％，N：0.10〜0.50％，Al：0.10％以下，余量为Fe和杂质。在杂质中，P不大于0.030％，S不大于0.005％，Ti，Zr和Hf分别不大于0.01％，Cr，Mn和N的含量满足下列关系[1] ：<？in-line-formula description =“In-line formula”end =“lead”？> 5Cr + 3.4Mn <= 500N [1] <？in-line-formula description =“In-line Formulas”end = “尾巴”？

10. 发明授权

US07531129B2 Stainless steel for high-pressure hydrogen gas 有权
标题翻译：不锈钢用于高压氢气
公开(公告)号：US07531129B2
公开(公告)日：2009-05-12
申请号：US11108099
申请日：2005-04-18
申请人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
发明人： Masaaki Igarashi , Hiroyuki Semba , Mitsuo Miyahara , Kazuhiro Ogawa , Tomohiko Omura
IPC分类号： C22C38/46 , C22C38/58 , C22C30/00
CPC分类号： C22C38/18 , C22C38/001 , C22C38/02 , C22C38/06 , C22C38/46 , C22C38/58 , Y10T428/12979
摘要： A high-strength stainless steel, having good mechanical properties and corrosion resistance in a high-pressure hydrogen gas environment, and excellent in stress corrosion cracking resistance, and a container or other device for high-pressure hydrogen gas, which is made of the said stainless steel, are provided. The stainless steel is characterized in that it consists of, by mass %, C: not more than 0.02%, Si: not more than 1.0%, Mn: 3 to 30%, Cr: more than 22% but not more than 30%, Ni: 17 to 30%, V: 0.001 to 1.0%, N: 0.10 to 0.50% and Al: not more than 0.10%, and the balance Fe and impurities. Among the impurities, P is not more than 0.030%, S is not more than 0.005%, and Ti, Zr and Hf are not more than 0.01% respectively, and the contents of Cr, Mn and N satisfy the following relationship [1]: 5Cr+3.4 Mn≦500 N [1].
摘要翻译：一种高强度不锈钢，在高压氢气环境下具有良好的机械性能和耐腐蚀性，耐应力腐蚀开裂性优异，以及用于高压氢气的容器或其他装置，由所述不锈钢。不锈钢的特征在于，以质量％计含有C：不大于0.02％的Si：不大于1.0％，Mn：3〜30％，Cr：大于22％但不大于30％，Ni：17〜30％，V：0.001〜1.0％，N：0.10〜0.50％，Al：0.10％以下，余量为Fe和杂质。在杂质中，P不大于0.030％，S不大于0.005％，Ti，Zr和Hf分别不大于0.01％，Cr，Mn和N的含量满足下列关系[1] ：<？in-line-formula description =“In-line formula”end =“lead”？> 5Cr + 3.4 Mn <= 500 N [1]。<？in-line-formula description =“In-line Formulas” end =“tail”？>

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