公开(公告)号：US08501086B2

公开(公告)日：2013-08-06

申请号：US12888492

申请日：2010-09-23

申请人： Masaki Ueyama ,  Masaaki Terunuma ,  Satoshi Matsumoto

发明人： Masaki Ueyama ,  Masaaki Terunuma ,  Satoshi Matsumoto

IPC分类号： C22C19/05

CPC分类号： C22F1/00 ,  C22C19/055 ,  C22F1/10

摘要： A Ni based alloy, which consists of by mass percent, C≦0.03%, Si: 0.01 to 0.5%, Mn: 0.01 to 1.0%, P≦0.03%, S≦0.01%, Cr: not less than 20% to less than 30%, Ni: more than 40% to not more than 60%, Cu: more than 2% to not more than 5.0%, Mo: 4.0 to 10%, Al: 0.005 to 0.5% and N: more than 0.02% to not more than 0.3%, with the balance being Fe and impurities, and the expression of “0.5 Cu+Mo≧6.5” is satisfied, has excellent corrosion resistance equivalent to that of Ni based alloys having high Mo contents, such as Hastelloy C22 and Hastelloy C276, in severe corrosive environments containing reducing acids, such as hydrochloric acid and sulfuric acid, together with excellent workability. Therefore, it can be suitably used as a low-cost material for various kinds of structural members.

摘要翻译： 一种Ni基合金，以质量％计，C@0.03%，Si：0.01〜0.5％，Mn：0.01〜1.0％，P@0.03%，S@0.01%，Cr：不小于20％ 30％以上，Ni：40％以上60％以下，Cu：2％以上5.0％以下，Mo：4.0〜10％，Al：0.005〜0.5％，N：大于0.02％ 至0.3％以下，余量为Fe和杂质，满足“0.5 Cu + Mo> = 6.5”的表达，具有与Mo含量高的Ni基合金相当的优异耐腐蚀性，如Hastelloy C22和Hastelloy C276，在严重的腐蚀性环境中含有还原酸，如盐酸和硫酸，以及优异的可加工性。 因此，可以适合用作各种结构构件的低成本材料。

公开(公告)号：US20110236252A1

公开(公告)日：2011-09-29

申请号：US12888492

申请日：2010-09-23

申请人： Masaki Ueyama ,  Masaaki Terunuma ,  Satoshi Matsumoto

发明人： Masaki Ueyama ,  Masaaki Terunuma ,  Satoshi Matsumoto

IPC分类号： C22C19/05

CPC分类号： C22F1/00 ,  C22C19/055 ,  C22F1/10

摘要： A Ni based alloy, which consists of by mass percent, C≦0.03%, Si: 0.01 to 0.5%, Mn: 0.01 to 1.0%, P≦0.03%, S≦0.01%, Cr: not less than 20% to less than 30%, Ni: more than 40% to not more than 60%, Cu: more than 2% to not more than 5.0%, Mo: 4.0 to 10%, Al: 0.005 to 0.5% and N: more than 0.02% to not more than 0.3%, with the balance being Fe and impurities, and the expression of “0.5 Cu+Mo≧6.5” is satisfied, has excellent corrosion resistance equivalent to that of Ni based alloys having high Mo contents, such as Hastelloy C22 and Hastelloy C276, in severe corrosive environments containing reducing acids, such as hydrochloric acid and sulfuric acid, together with excellent workability. Therefore, it can be suitably used as a low-cost material for various kinds of structural members.

摘要翻译： 一种Ni基合金，以质量％计，C 0.03，0.03％，Si：0.01〜0.5％，Mn：0.01〜1.0％，P＆NlE; 0.03％，S＆NlE 0.01％，Cr：20％以上 30％以上，Ni：40％以上60％以下，Cu：2％以上5.0％以下，Mo：4.0〜10％，Al：0.005〜0.5％，N：大于0.02％ 为0.3％以下，余量为Fe和杂质，满足“0.5 Cu +Mo≥6.5”的表现，具有与Mo含量高的Ni基合金相当的优异的耐腐蚀性，如Hastelloy C22 和Hastelloy C276，在严重的腐蚀性环境中含有还原酸，如盐酸和硫酸，以及优异的可加工性。 因此，可以适合用作各种结构构件的低成本材料。

公开(公告)号：US20120195790A1

公开(公告)日：2012-08-02

申请号：US13422092

申请日：2012-03-16

申请人： Masaki UEYAMA ,  Masaaki Terunuma

发明人： Masaki UEYAMA ,  Masaaki Terunuma

IPC分类号： C22C30/02

CPC分类号： C22F1/10 ,  C22C19/055 ,  C22C30/02

摘要： A Ni based alloy material consists of by mass percent, C≦0.03%, Si: 0.01 to 0.5%, Mn: 0.01 to 1.0%, P≦0.03%, S≦0.01%, Cr: not less than 20% to less than 30%, Ni: more than 40% to not more than 50%, Cu: more than 2.0% to not more than 5.0%, Mo: 4.0 to 10%, Al: 0.005 to 0.5%, W: 0.1 to 10% , N: more than 0.10% to not more than 0.35%, optionally one or more elements selected from Ca≦0.01% and Mg≦0.01%, with the balance being Fe and impurities, and the formula of “0.5Cu+Mo≧6.5” is satisfied. The material has a surface hardness of a Vickers hardness of not less than 350 at 500° C., a corrosion resistance equivalent to that of Ni based alloys having high Mo contents, and excellent erosion resistance in a severe environment.

摘要翻译： Ni基合金材料以质量百分数C为0.01％，0.03％，Si：0.01〜0.5％，Mn：0.01〜1.0％，P＆NlE; 0.03％，S＆NlE，0.01％，Cr：20％以上 30％，Ni：40％以上且50％以下，Cu：2.0％以上5.0％以下，Mo：4.0〜10％，Al：0.005〜0.5％，W：0.1〜10％ N：大于0.10％至不大于0.35％，任选地一种或多种选自Ca＆amp; 0.01; 0.01％和Mg＆NlE的元素; 0.01％，余量为Fe和杂质，“0.5Cu +Mo≥6.5” 满意 该材料在500℃下的维氏硬度为350以上的表面硬度，与Mo含量高的Ni系合金相当的耐腐蚀性，在恶劣环境下具有优异的耐侵蚀性。

公开(公告)号：US08858875B2

公开(公告)日：2014-10-14

申请号：US13422092

申请日：2012-03-16

申请人： Masaki Ueyama ,  Masaaki Terunuma

发明人： Masaki Ueyama ,  Masaaki Terunuma

IPC分类号： C22C19/05

CPC分类号： C22F1/10 ,  C22C19/055 ,  C22C30/02

摘要： A Ni based alloy material consists of by mass percent, C≦0.03%, Si: 0.01 to 0.5%, Mn: 0.01 to 1.0%, P≦0.03%, S≦0.01%, Cr: not less than 20% to less than 30%, Ni: more than 40% to not more than 50%, Cu: more than 2.0% to not more than 5.0%, Mo: 4.0 to 10%, Al: 0.005 to 0.5%, W: 0.1 to 10%, N: more than 0.10% to not more than 0.35%, optionally one or more elements selected from Ca≦0.01% and Mg≦0.01%, with the balance being Fe and impurities, and the formula of “0.5Cu+Mo≧6.5” is satisfied. The material has a surface hardness of a Vickers hardness of not less than 350 at 500° C., a corrosion resistance equivalent to that of Ni based alloys having high Mo contents, and excellent erosion resistance in a severe environment.

摘要翻译： Ni基合金材料以质量百分数C为0.01％，0.03％，Si：0.01〜0.5％，Mn：0.01〜1.0％，P＆NlE; 0.03％，S＆NlE，0.01％，Cr：20％以上 30％，Ni：40％以上且50％以下，Cu：2.0％以上5.0％以下，Mo：4.0〜10％，Al：0.005〜0.5％，W：0.1〜10％ N：大于0.10％至不大于0.35％，任选地一种或多种选自Ca＆amp; 0.01; 0.01％和Mg＆NlE的元素; 0.01％，余量为Fe和杂质，“0.5Cu +Mo≥6.5” 满意 该材料在500℃下的维氏硬度为350以上的表面硬度，与Mo含量高的Ni系合金相当的耐腐蚀性，在恶劣环境下具有优异的耐侵蚀性。

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。

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.

公开(公告)号：US20090081069A1

公开(公告)日：2009-03-26

申请号：US12292758

申请日：2008-11-25

申请人： Kiyoko Takeda ,  Masayuki Sagara ,  Masaaki Terunuma

发明人： Kiyoko Takeda ,  Masayuki Sagara ,  Masaaki Terunuma

IPC分类号： C22C38/44

CPC分类号： C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/58

摘要： An austenitic stainless steel, which comprises by mass percent, C: not more than 0.10%, Si: 0.01 to 1.0%, Mn: 0.01 to 2%, Cr: 16 to 18%, Ni: more than 10% to less than 14%, Mo: more than 2.0% to not more than 3.0%, N: 0.03 to 0.10%, one or more elements selected from V, Nb and Ti satisfying the following formulas (1) and (2), 0.0013≦(V/51)+(Nb/93)+(Ti/48)≦0.0025  (1), {(C/12)+(N/14)}−{(V/51)+(Nb/93)+(Ti/48)}≦0.0058  (2), wherein each element symbol in the formulas (1) and (2) represents the content (by mass %) of the element concerned, with the balance being Fe and impurities, wherein the content of P is not more than 0.04% and the content of S is not more than 0.003% among the impurities, has excellent corrosion resistance, in particular, excellent intergranular corrosion resistance. The preferable contents of Nb and Ti are not more than 0.030% and not more than 0.050%, respectively.

摘要翻译： 奥氏体系不锈钢以质量％计含有C：0.10％以下，Si：0.01〜1.0％，Mn：0.01〜2％，Cr：16〜18％，Ni：10％以上且小于14 ％，Mo：2.0％以上3.0％以下，N：0.03〜0.10％，选自满足下述式（1）和（2）的V，Nb，Ti中的一种或多种元素， -formulae description =“In-line Formulas”end =“lead”？> 0.0013 <=（V / 51）+（Nb / 93）+（Ti / 48）<= 0.0025（1） 公式描述=“内联公式”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> {（C / 12）+（N / 14） } - {（V / 51）+（Nb / 93）+（Ti / 48）} <= 0.0058（2），<？in-line-formula description =“In-line Formulas”end =“tail”？> 其中式（1）和（2）中的每个元件符号表示相关元素的含量（以质量％计），余量为Fe和杂质，其中P的含量不大于0.04％，含量 S在杂质中不超过0.003％，具有优异的耐腐蚀性，特别是e 良好的晶间耐腐蚀性。 Nb和Ti的优选含量分别不大于0.030％且不大于0.050％。