EP3480331C0 - Un procédé de fabrication d'acier ferritique résistant à la chaleur et un procédé de fabrication d'un élément de transfert de chaleur ferritique - Google Patents

Un procédé de fabrication d'acier ferritique résistant à la chaleur et un procédé de fabrication d'un élément de transfert de chaleur ferritique

Info

Publication number
EP3480331C0
EP3480331C0 EP17820295.8A EP17820295A EP3480331C0 EP 3480331 C0 EP3480331 C0 EP 3480331C0 EP 17820295 A EP17820295 A EP 17820295A EP 3480331 C0 EP3480331 C0 EP 3480331C0
Authority
EP
European Patent Office
Prior art keywords
producing
ferritic
heat
transfer part
heat transfer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17820295.8A
Other languages
German (de)
English (en)
Other versions
EP3480331A1 (fr
EP3480331A4 (fr
EP3480331B1 (fr
Inventor
Yoshitaka Nishiyama
Hiroshi Nogami
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.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP3480331A1 publication Critical patent/EP3480331A1/fr
Publication of EP3480331A4 publication Critical patent/EP3480331A4/fr
Application granted granted Critical
Publication of EP3480331C0 publication Critical patent/EP3480331C0/fr
Publication of EP3480331B1 publication Critical patent/EP3480331B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76Adjusting the composition of the atmosphere
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20Ferrous alloys, e.g. steel alloys containing chromium with copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/30Ferrous alloys, e.g. steel alloys containing chromium with cobalt
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32Ferrous alloys, e.g. steel alloys containing chromium with boron
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/10Oxidising
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/10Oxidising
    • C23C8/16Oxidising using oxygen-containing compounds, e.g. water, carbon dioxide
    • C23C8/18Oxidising of ferrous surfaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D2211/00Microstructure comprising significant phases
    • C21D2211/005Ferrite
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/002Heat treatment of ferrous alloys containing Cr
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0278Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/10Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • C21D8/105Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies of ferrous alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating With Molten Metal (AREA)
EP17820295.8A 2016-06-29 2017-06-29 Un procédé de fabrication d'acier ferritique résistant à la chaleur et un procédé de fabrication d'un élément de transfert de chaleur ferritique Active EP3480331B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016128431 2016-06-29
PCT/JP2017/024012 WO2018003941A1 (fr) 2016-06-29 2017-06-29 Acier ferritique résistant à la chaleur et élément de transfert thermique ferritique

Publications (4)

Publication Number Publication Date
EP3480331A1 EP3480331A1 (fr) 2019-05-08
EP3480331A4 EP3480331A4 (fr) 2020-01-01
EP3480331C0 true EP3480331C0 (fr) 2025-04-30
EP3480331B1 EP3480331B1 (fr) 2025-04-30

Family

ID=60787083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17820295.8A Active EP3480331B1 (fr) 2016-06-29 2017-06-29 Un procédé de fabrication d'acier ferritique résistant à la chaleur et un procédé de fabrication d'un élément de transfert de chaleur ferritique

Country Status (8)

Country Link
US (1) US20190330724A1 (fr)
EP (1) EP3480331B1 (fr)
JP (1) JP6801712B2 (fr)
KR (1) KR102165758B1 (fr)
CN (1) CN109415787A (fr)
CA (1) CA3028947A1 (fr)
ES (1) ES3024473T3 (fr)
WO (1) WO2018003941A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6805574B2 (ja) * 2015-07-10 2020-12-23 日本製鉄株式会社 オーステナイト系耐熱鋼及びオーステナイト系伝熱部材
JP2022501515A (ja) * 2018-09-28 2022-01-06 コーニング インコーポレイテッド オーステナイト変態温度を上昇させた合金金属、及びこれを含む物品
KR20220050129A (ko) * 2019-07-05 2022-04-22 스태미카본 비.브이. 우레아 플랜트에서의 페라이트계 강 부품
JP7333837B2 (ja) * 2020-01-31 2023-08-25 日本製鉄株式会社 合金材加熱用酸化防止剤、及び、それを用いた合金材の加熱方法
CN112501510A (zh) * 2020-11-27 2021-03-16 天津职业技术师范大学(中国职业培训指导教师进修中心) 一种高铝铁素体耐热钢及其制备方法
BR112023017868A2 (pt) * 2021-03-17 2023-10-10 Jfe Steel Corp Tubo de aço inoxidável duplex e método de fabricação do mesmo
CN116970875B (zh) * 2023-09-25 2023-12-15 上海核工程研究设计院股份有限公司 一种含钽铁素体耐热钢及其制造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520751A (en) * 1993-09-24 1996-05-28 Exxon Research And Engineering Company Oxidation of low chromium steels
JP3367216B2 (ja) * 1994-09-20 2003-01-14 住友金属工業株式会社 高Crフェライト系耐熱鋼
JPH1192880A (ja) * 1997-09-22 1999-04-06 Natl Res Inst For Metals 耐酸化性・耐水蒸気酸化特性に優れた 高Crフェライト系耐熱鋼とその製造方法
EP1867745B1 (fr) * 2005-04-07 2014-08-06 Nippon Steel & Sumitomo Metal Corporation Acier ferritique resistant a la chaleur
JP2007039745A (ja) 2005-08-03 2007-02-15 Babcock Hitachi Kk フェライト系耐熱鋼の耐水蒸気酸化性改善方法及び耐水蒸気酸化性に優れたフェライト系耐熱鋼並びにボイラ用耐熱鋼
WO2007091535A1 (fr) * 2006-02-06 2007-08-16 Babcock-Hitachi Kabushiki Kaisha Acier refractaire a base de ferrite
CN101680065B (zh) * 2007-06-04 2011-11-16 住友金属工业株式会社 铁素体类耐热钢
JP2009007601A (ja) * 2007-06-26 2009-01-15 Nisshin Steel Co Ltd 集熱機器用フェライト系ステンレス鋼材
JP4990323B2 (ja) 2009-05-18 2012-08-01 独立行政法人物質・材料研究機構 フェライト系耐熱鋼
RU2566122C1 (ru) * 2011-11-22 2015-10-20 Ниппон Стил Энд Сумитомо Метал Корпорейшн Жаростойкая ферритная сталь и способ ее получения
JP6049256B2 (ja) * 2011-12-19 2016-12-21 三菱日立パワーシステムズ株式会社 フェライト系耐熱鋼の耐酸化処理方法
CN103336102B (zh) * 2012-06-12 2015-01-14 武汉大学 9-12%Cr马氏体耐热钢焊缝中δ-铁素体含量的测定方法
CN103334056A (zh) * 2013-03-25 2013-10-02 天津理工大学 一种用于火力发电锅炉管的高Cr铁素体耐热钢及应用

Also Published As

Publication number Publication date
EP3480331A1 (fr) 2019-05-08
US20190330724A1 (en) 2019-10-31
EP3480331A4 (fr) 2020-01-01
JP6801712B2 (ja) 2020-12-16
JPWO2018003941A1 (ja) 2019-04-25
KR102165758B1 (ko) 2020-10-14
CN109415787A (zh) 2019-03-01
KR20190022779A (ko) 2019-03-06
EP3480331B1 (fr) 2025-04-30
CA3028947A1 (fr) 2018-01-04
ES3024473T3 (en) 2025-06-04
WO2018003941A1 (fr) 2018-01-04

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