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1. 发明申请

US20060243719A1 Austenitic stainless steel welding wire and welding structure 有权
标题翻译：奥氏体不锈钢焊丝和焊接结构
公开(公告)号：US20060243719A1
公开(公告)日：2006-11-02
申请号：US11404413
申请日：2006-04-13
申请人： Hiroshige Inoue , Ryuichi Honma , Manabu Mizumoto , Yuusuke Oikawa , Ryo Matsuhashi , Shinji Tsuge , Shigeo Fukumoto
发明人： Hiroshige Inoue , Ryuichi Honma , Manabu Mizumoto , Yuusuke Oikawa , Ryo Matsuhashi , Shinji Tsuge , Shigeo Fukumoto
IPC分类号： B23K35/22
CPC分类号： B23K35/26
摘要： A welding wire for austenitic stainless steel welding contains, in percent by mass, C: 0.005 through 0.05%, Si: 0.1 through 1.0%, Mn: 1.0 through 3.5%, Cr: 25.0 through 28.0%, Ni: 16.0 through 23.9%, Mo: 1.6 through 3.0%, Cu: 0.1 through 0.5%, Al: 0.001 through 0.02%, and N: more than 0.30 through 0.50%, limiting 0 to 0.03% or less, P to 0.03% or less, and S to 0.005% or less, and having a ratio of a Cr equivalent to Ni equivalent (Cr equivalent/Ni equivalent) within a range between 0.85 and 1.2 and a PI value of 35 or more, the remainder being iron and unavoidable impurities.
摘要翻译：奥氏体不锈钢焊接用焊丝以质量％计含有C：0.005〜0.05％，Si：0.1〜1.0％，Mn：1.0〜3.5％，Cr：25.0〜28.0％，Ni：16.0〜23.9％ Mo：1.6〜3.0％，Cu：0.1〜0.5％，Al：0.001〜0.02％，N：大于0.30〜0.50％，0〜0.03％以下，P：0.03％以下，S：0.005以下％以下，Cr相当于Ni当量（Cr当量/ Ni当量）在0.85〜1.2的范围内，PI值为35以上，剩余部分为铁和不可避免的杂质。

2. 发明授权

US08506729B2 Austenite-type stainless steel hot-rolling steel material with excellent corrosion resistance, proof-stress, and low-temperature toughness and production method thereof 有权
标题翻译：具有优异的耐腐蚀性，耐应力和低温韧性的奥氏体型不锈钢热轧钢材及其制造方法
公开(公告)号：US08506729B2
公开(公告)日：2013-08-13
申请号：US13349866
申请日：2012-01-13
申请人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
发明人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
IPC分类号： C22C38/44 , C22C30/00 , C22C38/42 , C22C38/48 , C22C38/50 , C22C38/54
CPC分类号： C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, δ cal [=2.9 (Cr+0.3Si+Mo+0.5W)−2.6 (Ni+0.3Mn+0.25Cu+35C+20N)−18] ranges from −6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at −40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc′100) is not less than 500 mV (as it relates to saturated Ag/AgCl).
摘要翻译：可以提供具有优于常规钢的耐海水性和强度的奥氏体不锈钢热轧钢材。可以保持低温韧性，这在快速工艺的结构构件中是优选的。钢材可以包括耐腐蚀性，耐应力性和低温韧性优异的奥氏体不锈钢热轧钢材。在这种奥氏体不锈钢热轧钢材中，例如PI [= Cr + 3.3（Mo + 0.5W）+ 16N]的范围为35至40，δcal[= 2.9（Cr + 0.3Si + Mo + 0.5W） -2.6（Ni + 0.3Mn + 0.25Cu + 35C + 20N）-18]的范围为-6至+2，室温下的0.2％屈服应力不低于550MPa，夏比冲击值使用V- 在-40℃下的切口试验片不小于100J / cm 2，在50℃的10％NaCl的脱气水溶液（Vc'100）中测定的点蚀电位不小于500mV 它涉及饱和Ag / AgCl）。

3. 发明授权

US08710405B2 Austenitic stainless steel welding wire and welding structure 有权
标题翻译：奥氏体不锈钢焊丝和焊接结构
公开(公告)号：US08710405B2
公开(公告)日：2014-04-29
申请号：US11404413
申请日：2006-04-13
申请人： Hiroshige Inoue , Ryuichi Honma , Manabu Mizumoto , Yuusuke Oikawa , Ryo Matsuhashi , Shinji Tsuge , Shigeo Fukumoto
发明人： Hiroshige Inoue , Ryuichi Honma , Manabu Mizumoto , Yuusuke Oikawa , Ryo Matsuhashi , Shinji Tsuge , Shigeo Fukumoto
IPC分类号： B23K35/34 , B23K35/22
CPC分类号： B23K35/26
摘要： A welding wire for austenitic stainless steel welding contains, in percent by mass, C: 0.005 through 0.05%, Si: 0.1 through 1.0%, Mn: 1.0 through 3.5%, Cr: 25.0 through 28.0%, Ni: 16.0 through 23.9%, Mo: 1.6 through 3.0%, Cu: 0.1 through 0.5%, Al: 0.001 through 0.02%, and N: more than 0.30 through 0.50%, limiting O to 0.03% or less, P to 0.03% or less, and S to 0.005% or less, and having a ratio of a Cr equivalent to Ni equivalent (Cr equivalent/Ni equivalent) within a range between 0.85 and 1.2 and a PI value of 35 or more, the remainder being iron and unavoidable impurities.
摘要翻译：奥氏体不锈钢焊接用焊丝以质量％计含有C：0.005〜0.05％，Si：0.1〜1.0％，Mn：1.0〜3.5％，Cr：25.0〜28.0％，Ni：16.0〜23.9％ Mo：1.6〜3.0％，Cu：0.1〜0.5％，Al：0.001〜0.02％，N：大于0.30〜0.50％，将O限制在0.03％以下，P：0.03％以下，S：0.005以下％以下，Cr相当于Ni当量（Cr当量/ Ni当量）在0.85〜1.2的范围内，PI值为35以上，剩余部分为铁和不可避免的杂质。

4. 发明申请

US20120111457A1 AUSTENITE-TYPE STAINLESS STEEL HOT-ROLLING STEEL MATERIAL WITH EXCELLENT CORROSION RESISTANCE, PROOF-STRESS, AND LOW-TEMPERATURE TOUGHNESS AND PRODUCTION METHOD THEREOF 有权
标题翻译：奥氏体不锈钢热轧钢材，具有优良的耐腐蚀性，耐应力和低温韧性及其生产方法
公开(公告)号：US20120111457A1
公开(公告)日：2012-05-10
申请号：US13349866
申请日：2012-01-13
申请人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
发明人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
IPC分类号： C21D11/00 , C22C38/58 , C22C38/44
CPC分类号： C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An austenitic stainless steel hot-rolled steel material can be provided which has seawater resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, δ cal [=2.9 (Cr+0.3Si +Mo+0.5W)−2.6 (Ni+0.3Mn+0.25Cu+35C+20N)−18] ranges from −6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at −40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc'100) is not less than 500 mV (as it relates to saturated Ag/AgCl).
摘要翻译：可以提供具有优于常规钢的耐海水性和强度的奥氏体不锈钢热轧钢材。可以保持低温韧性，这在快速工艺的结构构件中是优选的。钢材可以包括耐腐蚀性，耐应力性和低温韧性优异的奥氏体不锈钢热轧钢材。在这种奥氏体不锈钢热轧钢材中，例如PI [= Cr + 3.3（Mo + 0.5W）+ 16N]为35〜40，δcal[= 2.9（Cr + 0.3Si + Mo + 0.5W） -2.6（Ni + 0.3Mn + 0.25Cu + 35C + 20N）-18]的范围为-6至+2，室温下的0.2％屈服应力不低于550MPa，夏比冲击值使用V- 在-40℃下的切口试验片不小于100J / cm 2，在50℃的10％NaCl的脱气水溶液（Vc'100）中测定的点蚀电位不小于500mV 它涉及饱和Ag / AgCl）。

5. 发明申请

US20090098007A1 Duplex Stainless Steel 有权
标题翻译：双相不锈钢
公开(公告)号：US20090098007A1
公开(公告)日：2009-04-16
申请号：US11991671
申请日：2007-06-14
申请人： Shinji Tsuge , Yuusuke Oikawa , Shigeo Fukumoto
发明人： Shinji Tsuge , Yuusuke Oikawa , Shigeo Fukumoto
IPC分类号： C22C38/42 , C22C38/52 , C22C38/18 , C22C38/44
CPC分类号： C22C38/42 , C21C5/005 , C21C7/0006 , C21D7/00 , C21D8/0205 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/58
摘要： The present invention provides duplex stainless steel superior in corrosion resistance in a chloride environment and impact properties suitable as a material for pumps for seawater desalination plants, facilities and equipment, and materials for chemical tanks, that is, duplex stainless steel characterized by containing, by mass %, C: 0.06% or less, Si: 0.05 to 3.0%, Mn: 0.1 to 6.0%, P: 0.05% or less, S: 0.010% or less, Ni: 1.0 to 10.0%, Cr: 18 to 30%, Mo: 5.0% or less, Cu: 3.0% or less, N: 0.10 to 0.40%, Al: 0.001 to 0.08% or less, Ti: 0.003 to 0.05%, Mg: 0.0001 to 0.0030%, and O: 0.010% or less, having a product of an activity coefficient fN of N, Ti content, and N content fN×Ti×N of 0.00004%2 or more, and having a product of Ti content and N content Ti×N of 0.008%2 or less.
摘要翻译：本发明提供了在氯化物环境中耐腐蚀性优异的双相不锈钢和适用于海水淡化厂，设备和设备以及用于化学罐的材料的泵的冲击性能，即双相不锈钢，其特征在于，质量％，C：0.06％以下，Si：0.05〜3.0％，Mn：0.1〜6.0％，P：0.05％以下，S：0.010％以下，Ni：1.0〜10.0％，Cr：18〜30 ％，Mo：5.0％以下，Cu：3.0％以下，N：0.10〜0.40％，Al：0.001〜0.08％以下，Ti：0.003〜0.05％，Mg：0.0001〜0.0030％，O：0.010 ％以下，具有N，Ti含量，N含量fNxTixN的活性系数fN为0.00004％2以上的产物，并且具有0.008％2以下的Ti含量和N含量TixN的乘积。

6. 发明申请

US20060243356A1 Austenite-type stainless steel hot-rolling steel material with excellent corrosion resistance, proof-stress, and low-temperature toughness and production method thereof 审中-公开
标题翻译：具有优异的耐腐蚀性，耐应力和低温韧性的奥氏体型不锈钢热轧钢材及其制造方法
公开(公告)号：US20060243356A1
公开(公告)日：2006-11-02
申请号：US11343516
申请日：2006-01-30
申请人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
发明人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
IPC分类号： C22C38/44 , C21D8/00
CPC分类号： C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI[=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, δ cal [=2.9 (Cr+0.3Si+Mo+0.5W)−2.6 (Ni+0.3Mn+0.25Cu+35C+20N)−18] ranges from −6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at −40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc′100) is not less than 500 mV (as it relates to saturated Ag/AgCl).
摘要翻译：可以提供具有优于常规钢的耐海水性和强度的奥氏体不锈钢热轧钢材。可以保持低温韧性，这在快速工艺的结构构件中是优选的。钢材可以包括耐腐蚀性，耐应力性和低温韧性优异的奥氏体不锈钢热轧钢材。在这种奥氏体不锈钢热轧钢材中，例如PI [= Cr + 3.3（Mo + 0.5W）+ 16N]的范围为35至40，δcal[= 2.9（Cr + 0.3Si + Mo + 0.5W） -2.6（Ni + 0.3Mn + 0.25Cu + 35C + 20N）-18]的范围为-6至+2，室温下的0.2％屈服应力不低于550MPa，夏比冲击值使用V- 在-40℃下的切口试验片不小于100J / cm 2，在50℃的10％NaCl的脱气水溶液（Vc'100）中测定的点蚀电位不小于500mV 它涉及饱和Ag / AgCl）。

7. 发明授权

US08778260B2 Duplex stainless steel 有权
标题翻译：双相不锈钢
公开(公告)号：US08778260B2
公开(公告)日：2014-07-15
申请号：US11991671
申请日：2007-06-14
申请人： Shinji Tsuge , Yuusuke Oikawa , Shigeo Fukumoto
发明人： Shinji Tsuge , Yuusuke Oikawa , Shigeo Fukumoto
IPC分类号： C22C38/42 , C22C38/52
CPC分类号： C22C38/42 , C21C5/005 , C21C7/0006 , C21D7/00 , C21D8/0205 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/58
摘要： The present invention provides duplex stainless steel superior in corrosion resistance in a chloride environment and impact properties suitable as a material for pumps for seawater desalination plants, facilities and equipment, and materials for chemical tanks, that is, duplex stainless steel characterized by containing, by mass %, C: 0.06% or less, Si: 0.05 to 3.0%, Mn: 0.1 to 6.0%, P: 0.05% or less, S: 0.010% or less, Ni: 1.0 to 10.0%, Cr: 18 to 30%, Mo: 5.0% or less, Cu: 3.0% or less, N: 0.10 to 0.40%, Al: 0.001 to 0.08% or less, Ti: 0.003 to 0.05%, Mg: 0.0001 to 0.0030%, and O: 0.010% or less, having a product of an activity coefficient fN of N, Ti content, and N content fN×Ti×N of 0.00004%2 or more, and having a product of Ti content and N content Ti×N of 0.008%2 or less.
摘要翻译：本发明提供了在氯化物环境中耐腐蚀性优异的双相不锈钢和适用于海水淡化厂，设备和设备以及用于化学罐的材料的泵的冲击性能，即双相不锈钢，其特征在于，质量％，C：0.06％以下，Si：0.05〜3.0％，Mn：0.1〜6.0％，P：0.05％以下，S：0.010％以下，Ni：1.0〜10.0％，Cr：18〜30 ％，Mo：5.0％以下，Cu：3.0％以下，N：0.10〜0.40％，Al：0.001〜0.08％以下，Ti：0.003〜0.05％，Mg：0.0001〜0.0030％，O：0.010 ％以下，具有N，Ti含量，N含量fN×Ti×N的活性系数fN为0.00004％2以上的产物，并且具有Ti含量和N含量Ti×N的乘积为0.008％2 或更少。

8. 发明授权

US08105447B2 Austenitic stainless hot-rolled steel material with excellent corrosion resistance, proof stress, and low-temperature toughness 有权
标题翻译：奥氏体不锈钢热轧钢材具有优异的耐腐蚀性，耐应力和低温韧性
公开(公告)号：US08105447B2
公开(公告)日：2012-01-31
申请号：US12391045
申请日：2009-02-23
申请人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
发明人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
IPC分类号： C22C38/44 , C22C30/00 , C22C38/42 , C22C38/48 , C22C38/50 , C22C38/54
CPC分类号： C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, δ cal [=2.9(Cr+0.3Si+Mo+0.5W)−2.6(Ni+0.3Mn+0.25Cu+35C+20N)−18] ranges from −6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at −40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc′100) is not less than 500 mV (as it relates to saturated Ag/AgCl).
摘要翻译：可以提供具有优于常规钢的耐海水性和强度的奥氏体不锈钢热轧钢材。可以保持低温韧性，这在快速工艺的结构构件中是优选的。钢材可以包括耐腐蚀性，耐应力性和低温韧性优异的奥氏体不锈钢热轧钢材。在这种奥氏体不锈钢热轧钢材中，例如PI [= Cr + 3.3（Mo + 0.5W）+ 16N]为35〜40，δcal[= 2.9（Cr + 0.3Si + Mo + 0.5W） -2.6（Ni + 0.3Mn + 0.25Cu + 35C + 20N）-18]的范围为-6至+2，室温下的0.2％屈服应力不低于550MPa，夏比冲击值使用V- 在-40℃下的切口试验片不小于100J / cm 2，在50℃的10％NaCl的脱气水溶液（Vc'100）中测定的点蚀电位不小于500mV 它涉及饱和Ag / AgCl）。

9. 发明申请

US20100230011A1 AUSTENITE-TYPE STAINLESS STEEL HOT-ROLLING STEEL MATERIAL WITH EXCELLENT CORROSION RESISTANCE, PROOF-STRESS, AND LOW-TEMPERATURE TOUGHNESS AND PRODUCTION METHOD THEREOF 有权
标题翻译：奥氏体不锈钢热轧钢材，具有优良的耐腐蚀性，耐应力和低温韧性及其生产方法
公开(公告)号：US20100230011A1
公开(公告)日：2010-09-16
申请号：US12391045
申请日：2009-02-23
申请人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
发明人： Yuusuke Oikawa , Shinji Tsuge , Shigeo Fukumoto , Kazuhiro Suetsugu , Ryo Matsuhashi , Hiroshige Inoue
IPC分类号： C22C38/44 , C22C38/42 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/58 , C22C30/02
CPC分类号： C22C38/001 , C22C38/002 , C22C38/004 , C22C38/02 , C22C38/04 , C22C38/42 , C22C38/44
摘要： An austenitic stainless steel hot-rolled steel material can be provided which has sea-water resistance and strength superior to conventional steel. Low-temperature toughness can be maintained, which is preferable in a structural member of speedy craft. The steel material can include an austenitic stainless steel hot-rolled steel material which excels in the properties of corrosion resistance, proof stress, and low-temperature toughness. In such austenitic stainless steel hot-rolling steel material, e.g., PI [=Cr+3.3(Mo+0.5W)+16N] ranges from 35 to 40, δ cal [=2.9(Cr+0.3Si+Mo+0.5W)−2.6(Ni+0.3Mn+0.25Cu+35C+20N)−18] ranges from −6 to +2, and a 0.2% proof stress at room temperature is not less than 550 MPa, Charpy impact value measured using a V-notch test piece at −40° C. is not less than 100 J/cm2, and the pitting potential measured in a deaerated aqueous solution of 10% NaCl at 50° C. (Vc'100) is not less than 500 mV (as it relates to saturated Ag/AgCl).
摘要翻译：可以提供具有优于常规钢的耐海水性和强度的奥氏体不锈钢热轧钢材。可以保持低温韧性，这在快速工艺的结构构件中是优选的。钢材可以包括耐腐蚀性，耐应力性和低温韧性优异的奥氏体不锈钢热轧钢材。在这种奥氏体不锈钢热轧钢材中，例如PI [= Cr + 3.3（Mo + 0.5W）+ 16N]为35〜40，δcal[= 2.9（Cr + 0.3Si + Mo + 0.5W） -2.6（Ni + 0.3Mn + 0.25Cu + 35C + 20N）-18]的范围为-6至+2，室温下的0.2％屈服应力不低于550MPa，夏比冲击值使用V- 在-40℃下的切口试验片不小于100J / cm 2，在50℃的10％NaCl的脱气水溶液（Vc'100）中测定的点蚀电位不小于500mV 它涉及饱和Ag / AgCl）。

10. 发明授权

US09175361B2 Austenitic high Mn stainless steel and method production of same and member using that steel 有权
标题翻译：奥氏体高锰不锈钢和方法生产相同，成员使用该钢
公开(公告)号：US09175361B2
公开(公告)日：2015-11-03
申请号：US13824290
申请日：2011-09-29
申请人： Masaharu Hatano , Shigeo Fukumoto , Hideki Fujii , Shinichi Ohmiya
发明人： Masaharu Hatano , Shigeo Fukumoto , Hideki Fujii , Shinichi Ohmiya
IPC分类号： C21D8/10 , C22C38/42 , C22C38/44 , C22C38/58 , C21D8/02 , C21D6/00 , F16J12/00 , C22C38/00 , C22C38/02 , F16K51/00 , F16L9/02 , F17C1/00
CPC分类号： C21D8/105 , C21D6/004 , C21D6/005 , C21D2211/001 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/42 , C22C38/44 , C22C38/58 , F16J12/00 , F16K51/00 , F16L9/02 , F17C1/00
摘要： Inexpensive stainless steel and inexpensive and high strength stainless steel which has excellent hydrogen environment embrittlement resistance even if used in a hydrogen resistant environment in over 40 MPa high pressure hydrogen gas or a hydrogen resistant environment in liquid hydrogen, characterized by containing, by mass %, C: 0.1% or less, Si: 0.4 to 1.5%, Mn: 8 to 11%, Cr: 15 to 17%, Ni: 5 to 8%, Cu: 1 to 4%, and N: 0.01 to less than 0.15% and having a balance of Fe and unavoidable impurities, having a volume rate of δ-ferrite of 10% or less, and having a long axis of δ-ferrite before annealing of 0.04 to 0.1 mm.
摘要翻译：即使在超过40MPa的高压氢气或液氢中的耐氢环境的耐氢环境中使用时，也具有优异的氢环境脆性优异的廉价且高强度不锈钢，其特征在于，以质量％计， C：0.1％以下，Si：0.4〜1.5％，Mn：8〜11％，Cr：15〜17％，Ni：5〜8％，Cu：1〜4％，N：0.01〜％，并且具有δ-铁素体的体积率为10％以下的Fe和不可避免的杂质的平衡，退火前的δ-铁素体的长轴为0.04〜0.1mm。

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