JPWO2015108072A1 - 酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板 - Google Patents
酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板 Download PDFInfo
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- JPWO2015108072A1 JPWO2015108072A1 JP2015557850A JP2015557850A JPWO2015108072A1 JP WO2015108072 A1 JPWO2015108072 A1 JP WO2015108072A1 JP 2015557850 A JP2015557850 A JP 2015557850A JP 2015557850 A JP2015557850 A JP 2015557850A JP WO2015108072 A1 JPWO2015108072 A1 JP WO2015108072A1
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- oxide film
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- stainless steel
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Abstract
Description
(2)前記鋼が、さらに質量%にて、Nb:0.5%以下、V:0.5%以下、Ni:2%以下、Cu:1%以下、Sn:1%以下、B:0.005%以下、Mg:0.005%以下、Ca:0.005%以下、Ga:0.005%以下、W:1%以下、Co:1%以下、Sb:0.5%以下の1種または2種以上含有していることを特徴とする(1)に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(3)前記鋼が、さらに質量%にて、Zr:0.1%以下、La:0.1%以下、Y:0.1%以下、REM:0.1%以下の1種または2種以上含有していることを特徴とする(1)または(2)に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(4)CrならびにMnが濃化した予備酸化皮膜が鋼板表面に形成されていることを特徴とする(1)〜(3)のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(5)前記鋼を500〜1000℃の温度範囲で24hr以下の予備酸化処理を行うことを特徴とする(1)〜(4)のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板の製造方法。
5%、Mo:0.5〜2%、Al:0.02〜0.1%、N:0.02%以下、Ti:0.001〜0.5%、残部がFeおよび不可避的不純物からなり、かつ2.5<[Mn]/([Si]+[Al])<8.0を満たす鋼からなることを特徴とする酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。ただし、上記式で[Mn]、[Si]、[Al]はそれぞれの元素の含有量(質量%)を意味する。
(2)前記鋼が、さらに質量%にて、Nb:0.5%以下、V:0.5%以下、Ni:0.8%以下、Cu:1%以下、Sn:1%以下、B:0.005%以下、Mg:0.005%以下、Ca:0.005%以下、Ga:0.005%以下、W:1%以下、Co:1%以下、Sb:0.5%以下の1種または2種以上含有していることを特徴とする(1)に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(3)質量%にて、C:0.02%以下、Si:0.15%以下、Mn:0.3〜1%、P:0.04%以下、S:0.003%以下、Cr:20〜25%、Mo:0.5〜2%、Al:0.1%以下、N:0.02%以下、Ti:0.001〜0.5%、Ga:0.005%以下及びMg:0.005%以下の一方もしくは双方を含有し、残部がFeおよび不可避的不純物からなり、かつ2.5<[Mn]/([Si]+[Al])<8.0を満たす鋼からなることを特徴とする酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。ただし、上記式で[Mn]、[Si]、[Al]はそれぞれの元素の含有量(質量%)を意味する。
(4)前記鋼が、さらに質量%にて、Nb:0.5%以下、V:0.5%以下、Ni:2%以下、Cu:1%以下、Sn:1%以下、B:0.005%以下、Ca:0.005%以下、W:1%以下、Co:1%以下、Sb:0.5%以下の1種または2種以上含有していることを特徴とする(3)に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(5)前記鋼が、さらに質量%にて、Zr:0.1%以下、La:0.1%以下、Y:0.1%以下、REM:0.1%以下の1種または2種以上含有していることを特徴とする(1)〜(4)のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(6)CrならびにMnが濃化した予備酸化皮膜が鋼板表面に形成されていることを特徴とする(1)〜(5)のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
(7)前記鋼を500〜1000℃の温度範囲で24hr以下の予備酸化処理を行うことを特徴とする(1)〜(6)のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板の製造方法。
[0012]
以下、上記(1),(2),(3),(4)、(5)、(6)、(7)の鋼板に係わる発明をそれぞれ本発明という。また、(1)〜(7)の発明を合わせて、本発明ということがある。
発明の効果
[0013]
本発明によれば、従来技術で課題となっている希土類元素の添加に頼ることなく、酸化皮膜の電気伝導性と密着性を損なわない耐久性に優れたSOF
Claims (5)
- 質量%にて、C:0.02%以下、Si:0.15%以下、Mn:0.3〜1%、P:0.04%以下、S:0.003%以下、Cr:20〜25%、Mo:0.5〜2%、Al:0.1%以下、N:0.02%以下、Ti:0.001〜0.5%、残部がFeおよび不可避的不純物からなり、かつ(1)式を満たす鋼からなることを特徴とする酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
2.5<[Mn]/([Si]+[Al])<8.0 ・・・(1)
ただし、(1)式で[Mn]、[Si]、[Al]はそれぞれの元素の含有量(質量%)を意味する。 - 前記鋼が、さらに質量%にて、Nb:0.5%以下、V:0.5%以下、Ni:2%以下、Cu:1%以下、Sn:1%以下、B:0.005%以下、Mg:0.005%以下、Ca:0.005%以下、Ga:0.005%以下、W:1%以下、Co:1%以下、Sb:0.5%以下の1種または2種以上含有していることを特徴とする請求項1に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
- 前記鋼が、さらに質量%にて、Zr:0.1%以下、La:0.1%以下、Y:0.1%以下、REM:0.1%以下、の1種または2種以上含有していることを特徴とする請求項1または2に記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
- CrならびにMnが濃化した予備酸化皮膜が鋼板表面に形成されていることを特徴とする請求項1〜3のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板。
- 前記鋼を500〜1000℃の温度範囲で24hr以下の予備酸化処理を行うことを特徴とする請求項1〜4のいずれかに記載する酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板の製造方法。
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07292446A (ja) * | 1994-04-22 | 1995-11-07 | Nippon Yakin Kogyo Co Ltd | 熱交換器用フェライト系ステンレス鋼 |
JP2006318652A (ja) * | 2005-05-10 | 2006-11-24 | Nisshin Steel Co Ltd | 固体酸化物型燃料電池セパレータ材 |
JP2013204128A (ja) * | 2012-03-29 | 2013-10-07 | Nippon Steel & Sumikin Stainless Steel Corp | 溶接部の耐食性に優れるフェライト系ステンレス鋼 |
JP2014173124A (ja) * | 2013-03-08 | 2014-09-22 | Jfe Steel Corp | フェライト系ステンレス鋼 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4310723B2 (ja) | 2001-09-27 | 2009-08-12 | 日立金属株式会社 | 固体酸化物型燃料電池セパレータ用鋼 |
EP1298228B2 (en) * | 2001-09-27 | 2012-08-22 | Hitachi Metals, Ltd. | Steel for separators of solid-oxide type fuel cells |
JP4737600B2 (ja) | 2004-04-09 | 2011-08-03 | 日立金属株式会社 | 固体酸化物型燃料電池セパレータ用鋼 |
JP4675066B2 (ja) | 2004-06-23 | 2011-04-20 | 日新製鋼株式会社 | 固体酸化物型燃料電池セパレーター用フェライト系ステンレス鋼 |
JP4385328B2 (ja) | 2004-08-20 | 2009-12-16 | 日立金属株式会社 | 固体酸化物型燃料電池セパレータ用鋼 |
JP5462583B2 (ja) * | 2008-10-24 | 2014-04-02 | 新日鐵住金ステンレス株式会社 | Egrクーラ用フェライト系ステンレス鋼板 |
EP2460900B1 (en) * | 2009-07-30 | 2015-04-15 | JFE Steel Corporation | Stainless steel for fuel cell separators which has excellent electrical conductivity and ductility, and process for production thereof |
KR20120099152A (ko) * | 2010-03-11 | 2012-09-06 | 닛폰 스틸 앤드 스미킨 스테인레스 스틸 코포레이션 | 내산화성이 우수한 페라이트계 스테인리스 강판 및 내열성이 우수한 페라이트계 스테인리스 강판 및 그 제조 방법 |
JP5377613B2 (ja) | 2011-10-24 | 2013-12-25 | 日新製鋼株式会社 | 表面電気伝導性に優れた導電部材用ステンレス鋼板 |
JP5716054B2 (ja) * | 2012-07-13 | 2015-05-13 | 新日鐵住金ステンレス株式会社 | 酸化皮膜の電気伝導性と密着性に優れたフェライト系ステンレス鋼板 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07292446A (ja) * | 1994-04-22 | 1995-11-07 | Nippon Yakin Kogyo Co Ltd | 熱交換器用フェライト系ステンレス鋼 |
JP2006318652A (ja) * | 2005-05-10 | 2006-11-24 | Nisshin Steel Co Ltd | 固体酸化物型燃料電池セパレータ材 |
JP2013204128A (ja) * | 2012-03-29 | 2013-10-07 | Nippon Steel & Sumikin Stainless Steel Corp | 溶接部の耐食性に優れるフェライト系ステンレス鋼 |
JP2014173124A (ja) * | 2013-03-08 | 2014-09-22 | Jfe Steel Corp | フェライト系ステンレス鋼 |
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