EP1533395A4 - Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede - Google Patents

Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede

Info

Publication number
EP1533395A4
EP1533395A4 EP03784626A EP03784626A EP1533395A4 EP 1533395 A4 EP1533395 A4 EP 1533395A4 EP 03784626 A EP03784626 A EP 03784626A EP 03784626 A EP03784626 A EP 03784626A EP 1533395 A4 EP1533395 A4 EP 1533395A4
Authority
EP
European Patent Office
Prior art keywords
stainless steel
steel product
absorption treatment
nitrogen absorption
manufacturing
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.)
Withdrawn
Application number
EP03784626A
Other languages
German (de)
English (en)
Other versions
EP1533395A1 (fr
Inventor
Daisuke Kuroda
Takao Hanawa
Norio Maruyama
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.)
National Institute for Materials Science
Original Assignee
National Institute for Materials Science
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 National Institute for Materials Science filed Critical National Institute for Materials Science
Publication of EP1533395A1 publication Critical patent/EP1533395A1/fr
Publication of EP1533395A4 publication Critical patent/EP1533395A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • 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
    • 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
    • C21D8/0257—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with diffusion of elements, e.g. decarburising, nitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C8/00—Solid 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
    • C23C8/06—Solid 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
    • C23C8/08—Solid 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
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite

Landscapes

  • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
EP03784626A 2002-08-08 2003-08-08 Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede Withdrawn EP1533395A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002231557 2002-08-08
JP2002231557A JP4009716B2 (ja) 2002-08-08 2002-08-08 窒素吸収処理によるステンレス鋼製製品の製造方法とこれにより得られるステンレス鋼製製品
PCT/JP2003/010164 WO2004015160A1 (fr) 2002-08-08 2003-08-08 Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede

Publications (2)

Publication Number Publication Date
EP1533395A1 EP1533395A1 (fr) 2005-05-25
EP1533395A4 true EP1533395A4 (fr) 2008-06-11

Family

ID=31711750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03784626A Withdrawn EP1533395A4 (fr) 2002-08-08 2003-08-08 Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede

Country Status (4)

Country Link
US (1) US20060037669A1 (fr)
EP (1) EP1533395A4 (fr)
JP (1) JP4009716B2 (fr)
WO (1) WO2004015160A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4336784B2 (ja) * 2002-11-21 2009-09-30 独立行政法人物質・材料研究機構 生体軟組織用医療用具とその製造方法
JP4378773B2 (ja) 2005-05-16 2009-12-09 独立行政法人物質・材料研究機構 ステンレス鋼製製品の製造方法とそのステンレス鋼製製品
JP5608325B2 (ja) * 2005-06-15 2014-10-15 コーニンクレッカ フィリップス エヌ ヴェ ステンレス鋼製品を製造する方法
JP5212602B2 (ja) 2007-09-14 2013-06-19 セイコーエプソン株式会社 機器およびハウジング材の製造方法
JP5989297B2 (ja) * 2010-10-28 2016-09-07 株式会社中津山熱処理 ニッケルフリーオーステナイトステンレス鋼の製造方法
KR101792735B1 (ko) * 2011-04-28 2017-11-02 엑시파니테 에이에스 패시브 합금의 냉간 변형된 가공물의 용액 경화를 위한 방법
JP5616299B2 (ja) * 2011-08-09 2014-10-29 ガウス株式会社 ニッケル及びマンガンフリーの生体用又は医療用器材用高ｎオーステナイト系ステンレス鋼焼結用粉末及び該粉末を用いた生体用又は医療用焼結器材
JP5835256B2 (ja) 2013-03-21 2015-12-24 株式会社デンソー フェライト系ステンレス鋼製品の製造方法
GB2545243B (en) 2015-12-10 2017-12-13 Rolls Royce Plc Method of manufacturing a magnetically graded material
KR101756703B1 (ko) 2015-12-23 2017-07-12 주식회사 포스코 에칭성 및 내식성이 우수한 린 듀플렉스 스테인리스강
KR101867734B1 (ko) * 2016-12-23 2018-06-14 주식회사 포스코 내식성이 우수한 듀플렉스 스테인리스 강 및 그 제조방법
WO2018175483A1 (fr) 2017-03-20 2018-09-27 Apple Inc. Compositions d'acier et nitruration en solution d'acier inoxydable de celles-ci
JP2020094266A (ja) * 2018-12-10 2020-06-18 日本製鉄株式会社 二相ステンレス鋼およびその製造方法
JP7257794B2 (ja) * 2019-01-15 2023-04-14 日鉄ステンレス株式会社 ステンレス鋼板及びその製造方法、燃料電池用セパレータ、燃料電池セル、並びに燃料電池スタック
JP7257793B2 (ja) * 2019-01-15 2023-04-14 日鉄ステンレス株式会社 ステンレス鋼板、燃料電池用セパレータ、燃料電池セル、及び燃料電池スタック
CN112143966A (zh) * 2019-06-26 2020-12-29 苹果公司 具有高强度和高延展性的氮化不锈钢
CN117716058A (zh) 2021-08-02 2024-03-15 日铁化学材料株式会社 不锈钢板、燃料电池用间隔件、燃料电池单元、及燃料电池组
WO2023189142A1 (fr) * 2022-03-28 2023-10-05 日鉄ケミカル＆マテリアル株式会社 Matériau de blindage électromagnétique

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940880A (en) * 1955-12-29 1960-06-14 Standard Oil Co Process of nitrogenization
US3943010A (en) * 1974-06-12 1976-03-09 Allegheny Ludlum Industries, Inc. Process for producing austenitic ferrous alloys
WO1999005340A1 (fr) * 1997-07-21 1999-02-04 Nsk-Rhp European Technology Co. Limited Cementation d'aciers

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56123327A (en) * 1980-02-29 1981-09-28 Sumitomo Metal Ind Ltd Production of highly formable ferritic stainless steel sheet of good surface characteristic
DE4333917C2 (de) * 1993-10-05 1994-06-23 Hans Prof Dr Ing Berns Randaufsticken zur Erzeugung einer hochfesten austenitischen Randschicht in nichtrostenden Stählen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2940880A (en) * 1955-12-29 1960-06-14 Standard Oil Co Process of nitrogenization
US3943010A (en) * 1974-06-12 1976-03-09 Allegheny Ludlum Industries, Inc. Process for producing austenitic ferrous alloys
WO1999005340A1 (fr) * 1997-07-21 1999-02-04 Nsk-Rhp European Technology Co. Limited Cementation d'aciers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2004015160A1 *

Also Published As

Publication number Publication date
EP1533395A1 (fr) 2005-05-25
WO2004015160A1 (fr) 2004-02-19
JP2004068115A (ja) 2004-03-04
JP4009716B2 (ja) 2007-11-21
US20060037669A1 (en) 2006-02-23

Similar Documents

Publication Publication Date Title
EP1533395A4 (fr) Procede de fabrication d'un produit en acier inoxydable par traitement par absorption d'azote et produit en acier inoxydable obtenu selon ledit procede
HK1085489A1 (en) Chitosan-containing polyaccharide, process for producing the same and use thereof
HUP0401279A3 (en) Polyurethane elastomers, method for the production thereof and their use
AU2003257604A8 (en) Stent and process for producing the same
IL162669A0 (en) Antichlinergic agents, method for producing the same and use thereof as medicaments
SG102067A1 (en) Method and apparatus for the production of nitrogen trifluoride
EP1550688A4 (fr) Polysaccharide modifie par un organopolysiloxane et son procede de production
HUP0204532A3 (en) Catalyst for decomposing n2o, its use and method for the production thereof
HK1079554A1 (en) Product and method
GB2418856A8 (en) Breath refrigerant and process for producing the same
HK1063816A1 (en) Fixation nterlining and method for its production
GB0311953D0 (en) Plant treatment method and means therefor
HUP0401760A3 (en) Stent, process for production thereof and its use for treating for restenosen and/or trombozen
IL149298A0 (en) Tomato product and method for obtaining same
EP1516668A4 (fr) Photocatalyseur hautement actif et procede de production associe
EP1559804A4 (fr) Produit forme et procede de production associe
EP1484423A4 (fr) Tole d'acier soumise a un traitement thermique et procede de production correspondant
EP1667174A4 (fr) Supraconducteur et son procede de production
EP1498501A4 (fr) Procede de production d'acier martensitique inoxydable
WO2005047278A3 (fr) Dihydroquinazolines ii substituees
GB0230080D0 (en) Heat treatment apparatus, method and produce
GB0208999D0 (en) Process, equipment and products
EP1685822A4 (fr) Inhibiteur d'absorption du glucose et procede de production correspondant
ZA200202527B (en) A method for the production of tannin and its use.
HK1096703A1 (en) Anti-fogging treatment liquid,production method therefor,anti-fogging article and production method therefor

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20050308

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

RBV Designated contracting states (corrected)

Designated state(s): CH FR GB LI

REG Reference to a national code

Ref country code: DE

Ref legal event code: 8566

A4 Supplementary search report drawn up and despatched

Effective date: 20080513

RIC1 Information provided on ipc code assigned before grant

Ipc: C22C 38/00 20060101ALI20080506BHEP

Ipc: C23C 8/26 20060101AFI20040303BHEP

Ipc: C21D 6/00 20060101ALI20080506BHEP

Ipc: C21D 1/74 20060101ALI20080506BHEP

17Q First examination report despatched

Effective date: 20080908

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20090319