[go: up one dir, main page]

EP1533395A4 - METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT BY NITROGEN ABSORPTION TREATMENT AND STAINLESS STEEL PRODUCT OBTAINED ACCORDING TO SAID PROCESS - Google Patents

METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT BY NITROGEN ABSORPTION TREATMENT AND STAINLESS STEEL PRODUCT OBTAINED ACCORDING TO SAID PROCESS

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
manufacturing
obtained according
absorption treatment
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Withdrawn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)
French (fr)
Other versions
EP1533395A1 (en
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/en
Publication of EP1533395A4 publication Critical patent/EP1533395A4/en
Withdrawn legal-status Critical Current

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
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • 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
    • C21D8/0247Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0257Modifying 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
    • 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
    • C23C8/24Nitriding
    • C23C8/26Nitriding 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
    • C21D2211/001Austenite
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials 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 METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT BY NITROGEN ABSORPTION TREATMENT AND STAINLESS STEEL PRODUCT OBTAINED ACCORDING TO SAID PROCESS Withdrawn EP1533395A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002231557 2002-08-08
JP2002231557A JP4009716B2 (en) 2002-08-08 2002-08-08 Manufacturing method of stainless steel product by nitrogen absorption treatment and stainless steel product obtained thereby
PCT/JP2003/010164 WO2004015160A1 (en) 2002-08-08 2003-08-08 Method for manufacturing stainless steel product by nitrogen absorption treatment and stainless steel product produced by the method

Publications (2)

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

Family

ID=31711750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03784626A Withdrawn EP1533395A4 (en) 2002-08-08 2003-08-08 METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT BY NITROGEN ABSORPTION TREATMENT AND STAINLESS STEEL PRODUCT OBTAINED ACCORDING TO SAID PROCESS

Country Status (4)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4336784B2 (en) * 2002-11-21 2009-09-30 独立行政法人物質・材料研究機構 Medical device for living soft tissue and manufacturing method thereof
JP4378773B2 (en) 2005-05-16 2009-12-09 独立行政法人物質・材料研究機構 Stainless steel product manufacturing method and stainless steel product
US9382608B2 (en) 2005-06-15 2016-07-05 Koninklijke Philips N.V. Method for manufacturing a stainless steel product
JP5212602B2 (en) 2007-09-14 2013-06-19 セイコーエプソン株式会社 Device and housing material manufacturing method
JP5989297B2 (en) * 2010-10-28 2016-09-07 株式会社中津山熱処理 Method for producing nickel-free austenitic stainless steel
AU2012247863B2 (en) * 2011-04-28 2016-06-16 Expanite A/S Method for solution hardening of a cold deformed workpiece of a passive alloy, and a member solution hardened by the method
JP5616299B2 (en) * 2011-08-09 2014-10-29 ガウス株式会社 Nickel- and manganese-free high N austenitic stainless steel sintering powder for biomedical or medical equipment, and biomedical or medical sintered equipment using the powder
JP5835256B2 (en) 2013-03-21 2015-12-24 株式会社デンソー Manufacturing method of ferritic stainless steel products
GB2545243B (en) * 2015-12-10 2017-12-13 Rolls Royce Plc Method of manufacturing a magnetically graded material
KR101756703B1 (en) 2015-12-23 2017-07-12 주식회사 포스코 Lean duplex stainless steel with improved corrosion resistance and etching ability
KR101867734B1 (en) * 2016-12-23 2018-06-14 주식회사 포스코 Duplex stainless steel having exceleent corrosin resistance and method for manufacturing the same
WO2018175483A1 (en) * 2017-03-20 2018-09-27 Apple Inc. Steel compositions and solution nitriding of stainless steel thereof
JP7499008B2 (en) * 2018-12-10 2024-06-13 日本製鉄株式会社 Duplex stainless steel and its manufacturing method
JP7257794B2 (en) * 2019-01-15 2023-04-14 日鉄ステンレス株式会社 Stainless steel plate and its manufacturing method, fuel cell separator, fuel cell, and fuel cell stack
JP7257793B2 (en) * 2019-01-15 2023-04-14 日鉄ステンレス株式会社 Stainless steel plate, fuel cell separator, fuel cell, and fuel cell stack
US20200407835A1 (en) * 2019-06-26 2020-12-31 Apple Inc. Nitrided stainless steels with high strength and high ductility
WO2023012881A1 (en) 2021-08-02 2023-02-09 日鉄ケミカル&マテリアル株式会社 Stainless steel sheet, separator for fuel battery, fuel battery cell and fuel battery stack
JP7717962B2 (en) * 2022-03-28 2025-08-04 日鉄ケミカル&マテリアル株式会社 Electromagnetic wave shielding material

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 (en) * 1997-07-21 1999-02-04 Nsk-Rhp European Technology Co. Limited Case hardening of steels

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 (en) * 1993-10-05 1994-06-23 Hans Prof Dr Ing Berns Edge embroidery to create a high-strength austenitic surface layer in stainless steels

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 (en) * 1997-07-21 1999-02-04 Nsk-Rhp European Technology Co. Limited Case hardening of steels

Non-Patent Citations (1)

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

Also Published As

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

Similar Documents

Publication Publication Date Title
EP1533395A4 (en) METHOD FOR MANUFACTURING A STAINLESS STEEL PRODUCT BY NITROGEN ABSORPTION TREATMENT AND STAINLESS STEEL PRODUCT OBTAINED ACCORDING TO SAID PROCESS
EP1672077A4 (en) PROCESS FOR PRODUCING SUCCINIC ACID
EP1672067A4 (en) PROCESS FOR PRODUCING NON-AMINE ORGANIC ACID
PT1274698E (en) PERCYCININE, METHOD FOR PRODUCING AND USING IT AS A MEDICINAL PRODUCT
EP1680220A4 (en) VANADIUM / TITANIUM CATALYST FOR REMOVING NITROGEN OXIDE AT LOW TEMPERATURE, AND PROCESS FOR REMOVING NITROGEN OXIDE THEREWITH
EP1541217A4 (en) SEPARATOR, REACTOR AND PROCESS FOR PRODUCING AROMATIC CARBOXYLIC ACID
FR2809745B1 (en) HIGH-CLEAN STEEL AND PROCESS FOR PRODUCING THE SAME
CA2396111A1 (en) Substances for use in treating psoriasis
EP1645651A4 (en) PROCESS FOR PRODUCING MAGNESIUM ALLOY ARTICLE
EP1484406A4 (en) PROCESS FOR PRODUCING N-ACETYLNEURAMINE ACID
FR2885138B1 (en) PROCESS FOR THE PRODUCTION OF SULFHYDRIC ACID AND ITS APPLICATION, PARTICULARLY TO THE DEPOLLUTION OF EFFLUENTS CONTAINING HEAVY METALS
ATE205214T1 (en) METHOD FOR PURIFYING A 3-CEPHEM-4-CARBOXYL ACID DERIVATIVE
FR2858618B1 (en) PROCESS AND REACTOR FOR MANUFACTURING HYDROXYMETHYLFURFURAL
EP1632290A4 (en) TIN-CONTAINING SOLID ACID CATALYST AND PROCESS FOR PRODUCING THE SAME
FR2844472B1 (en) PROCESS FOR THE PRODUCTION OF COMPOSITE PRODUCTS BY ROTOMOULAGE AND PRODUCTS OBTAINED
EP1528575A4 (en) PROCESS FOR PRODUCING SUPERCONDUCTING METAL MATERIAL
EP1930409A4 (en) BACTERIUM PRODUCING L-GLUTAMIC ACID AND PROCESS FOR PRODUCING L-GLUTAMIC ACID
FR2851770B1 (en) CONTINUOUS PROCESS AND ASSEMBLY FOR THE PRODUCTION OF GLYCIDYL NITRATE FROM GLYCERINE, NITRIC ACID AND A CAUSTIC PRODUCT
FR2830417B1 (en) PROCESS FOR THE MANUFACTURE OF GRANULES AND POWDERS BY COOKING-EXTRUSION FROM NUTS AND OLEAGINOUS PLANTS
EP1559804A4 (en) PRODUCT FORM AND PROCESS FOR PRODUCING THE SAME
EP1577903A4 (en) PROCESS FOR PRODUCING NB SB 3 / SB AL SUPERCONDUCTING MACHINE WIRE, AND NB SB 3 / SB AL SUPERCONDUCTING MACHINE WIRE OBTAINED THEREBY
EP1229071A4 (en) PROCESS FOR TREATING POLYOL RECOVERED BY DECOMPOSITION AND POLYOL THUS RECOVERED
EP1290937A4 (en) PROCESS FOR PRODUCING PLANT SEEDS
FR2834802B1 (en) METHOD FOR MANUFACTURING A FLEXOGRAPHY PLATE AND FLEXOGRAPHY PLATE OBTAINED BY THIS PROCESS
EP1382718A4 (en) SURFACE TREATED STEEL PRODUCT, PROCESS FOR PRODUCING THE SAME, AND CHEMICAL CONVERSION PROCESSING SOLUTION

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