CN108823509A - 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢 - Google Patents

具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢 Download PDF

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Publication number
CN108823509A
CN108823509A CN201810791340.9A CN201810791340A CN108823509A CN 108823509 A CN108823509 A CN 108823509A CN 201810791340 A CN201810791340 A CN 201810791340A CN 108823509 A CN108823509 A CN 108823509A
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CN
China
Prior art keywords
stainless steel
ferritic stainless
good
titanium
melt
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Pending
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CN201810791340.9A
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English (en)
Chinese (zh)
Inventor
吉竹荣三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ai Ke Steel Asset Co Ltd
Cleveland Cliffs Steel Properties Inc
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Ai Ke Steel Asset Co Ltd
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Publication of CN108823509A publication Critical patent/CN108823509A/zh
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
CN201810791340.9A 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢 Pending CN108823509A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201261695771P 2012-08-31 2012-08-31
US61/695,771 2012-08-31
US13/837,500 2013-03-15
US13/837,500 US20140065005A1 (en) 2012-08-31 2013-03-15 Ferritic Stainless Steel with Excellent Oxidation Resistance, Good High Temperature Strength, and Good Formability
CN201380045477.5A CN104769147A (zh) 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢

Related Parent Applications (1)

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CN201380045477.5A Division CN104769147A (zh) 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢

Publications (1)

Publication Number Publication Date
CN108823509A true CN108823509A (zh) 2018-11-16

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Family Applications (2)

Application Number Title Priority Date Filing Date
CN201810791340.9A Pending CN108823509A (zh) 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢
CN201380045477.5A Pending CN104769147A (zh) 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢

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CN201380045477.5A Pending CN104769147A (zh) 2012-08-31 2013-08-28 具有优异抗氧化性、良好高温强度和良好成形性的铁素体不锈钢

Country Status (19)

Country Link
US (2) US20140065005A1 (pt)
EP (1) EP2890825B1 (pt)
JP (1) JP6194956B2 (pt)
KR (2) KR20200028502A (pt)
CN (2) CN108823509A (pt)
AU (1) AU2013308922B2 (pt)
BR (1) BR112015004228A2 (pt)
CA (1) CA2882361C (pt)
ES (1) ES2728229T3 (pt)
HR (1) HRP20190864T1 (pt)
HU (1) HUE043997T2 (pt)
MX (1) MX2015002677A (pt)
MY (1) MY172722A (pt)
PL (1) PL2890825T3 (pt)
RS (1) RS58807B1 (pt)
RU (1) RU2650467C2 (pt)
SI (1) SI2890825T1 (pt)
WO (1) WO2014036091A1 (pt)
ZA (1) ZA201502075B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140065005A1 (en) * 2012-08-31 2014-03-06 Eizo Yoshitake Ferritic Stainless Steel with Excellent Oxidation Resistance, Good High Temperature Strength, and Good Formability
EP3333277B1 (en) 2015-08-05 2019-04-24 Sidenor Investigación y Desarrollo, S.A. High-strength low-alloy steel with high resistance to high-temperature oxidation
CN107675075A (zh) * 2017-09-05 2018-02-09 王业双 一种高性能耐高温铁素体不锈钢及其制备方法
JP6420893B1 (ja) * 2017-12-26 2018-11-07 日新製鋼株式会社 フェライト系ステンレス鋼
JP2023507264A (ja) * 2019-12-18 2023-02-22 エリコン メテコ（ユーエス）インコーポレイテッド 鉄基高耐食性・耐摩耗性合金

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02115346A (ja) * 1988-10-21 1990-04-27 Kawasaki Steel Corp 高濃度ハロゲン化物中で優れた耐食性を有するフェライト系ステンレス鋼
CN101250672A (zh) * 2006-12-07 2008-08-27 日新制钢株式会社 用于汽车废气通道部件的铁素体不锈钢和焊接钢管
WO2012036313A1 (ja) * 2010-09-16 2012-03-22 新日鐵住金ステンレス株式会社 耐酸化性に優れた耐熱フェライト系ステンレス鋼板

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA899A (en) * 1871-03-24 D. Cameron Composition of matter for making fire brick, and in the art of burning the same
JPH01165752A (ja) * 1987-12-22 1989-06-29 Kawasaki Steel Corp 高濃度ハロゲン化物中で優れた耐食性を有するフェライト系ステンレス鋼
US5426039A (en) * 1993-09-08 1995-06-20 Bio-Rad Laboratories, Inc. Direct molecular cloning of primer extended DNA containing an alkane diol
FR2720410B1 (fr) * 1994-05-31 1996-06-28 Ugine Savoie Sa Acier inoxydable ferritique à usinabilité améliorée.
JP3439866B2 (ja) * 1995-03-08 2003-08-25 日本冶金工業株式会社 耐食性および溶接性に優れるフェライト系ステンレス鋼
US6426039B2 (en) * 2000-07-04 2002-07-30 Kawasaki Steel Corporation Ferritic stainless steel
JP3886785B2 (ja) * 2001-11-22 2007-02-28 日新製鋼株式会社 石油系燃料改質器用フェライト系ステンレス鋼
JP3942876B2 (ja) * 2001-11-22 2007-07-11 日新製鋼株式会社 炭化水素系燃料改質器用フェライト系ステンレス鋼
JP3989790B2 (ja) * 2002-07-30 2007-10-10 新日鐵住金ステンレス株式会社 プレス成形性に優れたフェライト系ステンレス鋼板及びその製造方法
JP3920185B2 (ja) * 2002-09-27 2007-05-30 日新製鋼株式会社 耐たわみ性に優れたステンレス鋼製の二輪車用タイヤリム材および二輪車用フレーム材
JP4463663B2 (ja) * 2004-11-04 2010-05-19 日新製鋼株式会社 耐高温水蒸気酸化性に優れたフェライト系鋼材およびその使用方法
US7732733B2 (en) * 2005-01-26 2010-06-08 Nippon Welding Rod Co., Ltd. Ferritic stainless steel welding wire and manufacturing method thereof
JP5236158B2 (ja) * 2005-01-26 2013-07-17 日本ウエルディング・ロッド株式会社 フェライト系ステンレス鋼溶接ワイヤ及びその製造方法
JP4302678B2 (ja) * 2005-09-01 2009-07-29 日新製鋼株式会社 燃料タンク用フェライト系ステンレス鋼板
JP4761993B2 (ja) * 2006-02-14 2011-08-31 日新製鋼株式会社 スピニング加工用フェライト系ステンレス鋼溶接管の製造法
JP5349153B2 (ja) * 2009-06-15 2013-11-20 日新製鋼株式会社 ろう付け用フェライト系ステンレス鋼材および熱交換器部材
RU2415963C2 (ru) * 2009-07-13 2011-04-10 Открытое акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения", ОАО НПО "ЦНИИТМАШ" Жаростойкая сталь
US20140065005A1 (en) * 2012-08-31 2014-03-06 Eizo Yoshitake Ferritic Stainless Steel with Excellent Oxidation Resistance, Good High Temperature Strength, and Good Formability

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02115346A (ja) * 1988-10-21 1990-04-27 Kawasaki Steel Corp 高濃度ハロゲン化物中で優れた耐食性を有するフェライト系ステンレス鋼
CN101250672A (zh) * 2006-12-07 2008-08-27 日新制钢株式会社 用于汽车废气通道部件的铁素体不锈钢和焊接钢管
WO2012036313A1 (ja) * 2010-09-16 2012-03-22 新日鐵住金ステンレス株式会社 耐酸化性に優れた耐熱フェライト系ステンレス鋼板

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
董均果: "《实用材料手册》", 30 September 2000, 冶金工业出版社、机械工业出版社 *
钱万祥: "《金属材料与热处理》", 31 July 2009, 安徽科学技术出版社 *

Also Published As

Publication number Publication date
ZA201502075B (en) 2016-03-30
EP2890825A1 (en) 2015-07-08
US20140065005A1 (en) 2014-03-06
KR20150080485A (ko) 2015-07-09
US20140065006A1 (en) 2014-03-06
JP2015532684A (ja) 2015-11-12
EP2890825B1 (en) 2019-04-03
AU2013308922B2 (en) 2016-08-04
KR20200028502A (ko) 2020-03-16
CN104769147A8 (zh) 2018-10-09
RS58807B1 (sr) 2019-07-31
CA2882361A1 (en) 2014-03-06
AU2013308922A1 (en) 2015-03-05
ES2728229T3 (es) 2019-10-23
HRP20190864T1 (hr) 2019-06-28
PL2890825T3 (pl) 2019-09-30
CN104769147A (zh) 2015-07-08
CA2882361C (en) 2019-06-18
RU2015108849A (ru) 2016-10-20
MX2015002677A (es) 2015-05-12
HUE043997T2 (hu) 2019-09-30
WO2014036091A1 (en) 2014-03-06
MY172722A (en) 2019-12-11
RU2650467C2 (ru) 2018-04-13
JP6194956B2 (ja) 2017-09-13
BR112015004228A2 (pt) 2017-07-04
SI2890825T1 (sl) 2019-06-28

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