EP0787817A3 - Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby - Google Patents

Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby Download PDF

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Publication number
EP0787817A3
EP0787817A3 EP96302671A EP96302671A EP0787817A3 EP 0787817 A3 EP0787817 A3 EP 0787817A3 EP 96302671 A EP96302671 A EP 96302671A EP 96302671 A EP96302671 A EP 96302671A EP 0787817 A3 EP0787817 A3 EP 0787817A3
Authority
EP
European Patent Office
Prior art keywords
stainless steel
austenitic stainless
carburizing
products obtained
weight
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Withdrawn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
EP96302671A
Other languages
German (de)
French (fr)
Other versions
EP0787817A2 (en
Inventor
Masaaki Tahara
Haruo Senbokuya
Kinzo Kitano
Tadashi Hayashida
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.)
Air Water Inc
Original Assignee
Daido Hoxan Inc
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 Daido Hoxan Inc filed Critical Daido Hoxan Inc
Publication of EP0787817A2 publication Critical patent/EP0787817A2/en
Publication of EP0787817A3 publication Critical patent/EP0787817A3/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • C23C8/20—Carburising
    • C23C8/22—Carburising of ferrous surfaces
    • 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
    • C23C8/34—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 more than one element being applied in more than one step
    • 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
    • C21D1/06—Surface hardening
    • 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
    • C23C8/02—Pretreatment of the material to be coated

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)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

A method of carburizing austenitic stainless steel comprising the steps of holding austenitic stainless steel in a fluorine- or fluoride-containing gas atmosphere with heating prior to carburizing and carburizing the austenitic stainless steel at a temperature not more than 680°C wherein said austenitic stainless steel is stable austenitic stainless steel having 1 to 6 weight % molybdenum or 13 to 25 weight % chromium, wherein a carburized hard layer having corrosion resistance superior to base material forms and austenitic stainless steel products obtained thereby.
EP96302671A 1996-01-30 1996-04-17 Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby Withdrawn EP0787817A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP14365/96 1996-01-30
JP1436596 1996-01-30

Publications (2)

Publication Number Publication Date
EP0787817A2 EP0787817A2 (en) 1997-08-06
EP0787817A3 true EP0787817A3 (en) 1999-01-27

Family

ID=11859040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96302671A Withdrawn EP0787817A3 (en) 1996-01-30 1996-04-17 Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby

Country Status (5)

Country Link
EP (1) EP0787817A3 (en)
KR (1) KR970059302A (en)
CN (1) CN1140649C (en)
HK (1) HK1002363A1 (en)
TW (1) TW336257B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9212416B2 (en) 2009-08-07 2015-12-15 Swagelok Company Low temperature carburization under soft vacuum

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001018275A1 (en) * 1999-09-07 2001-03-15 Citizen Watch Co., Ltd. Ornament and method for preparation thereof
US6547888B1 (en) 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
KR100660444B1 (en) * 2005-06-14 2006-12-22 울산화학주식회사 Storage method of Nitrogen trifluoride
US20070057505A1 (en) 2005-09-13 2007-03-15 Williams Peter C Corrosion resistant conduit systems with enhanced surface hardness
WO2013109415A1 (en) 2012-01-20 2013-07-25 Swagelok Company Concurrent flow of activating gas in low temperature carburization
CN102828145A (en) * 2012-08-09 2012-12-19 武汉材料保护研究所 Low temperature gas carburizing method for realizing reinforcement and corrosion resistance of austenitic stainless steel
CN103266322B (en) * 2013-05-28 2015-02-11 福建钢泓金属科技有限公司 Vacuum deposition type high-rigidity smooth steel stainless decorative board for mirror surface
JP6171910B2 (en) * 2013-12-12 2017-08-02 トヨタ自動車株式会社 Manufacturing method of ferrous metal parts
WO2015171698A1 (en) 2014-05-06 2015-11-12 Case Western Reserve University Alloy surface activation by immersion in aqueous acid solution
US10214805B2 (en) 2014-07-31 2019-02-26 Swagelok Company Enhanced activation of self-passivating metals
CN108662084B (en) * 2015-08-28 2020-09-01 株式会社椿本链条 Chain
CN106835005B (en) * 2016-12-21 2019-01-15 机械科学研究总院青岛分院有限公司 A kind of cryogenic gas method for carburizing of austenitic stainless steel
KR20210019435A (en) 2018-06-11 2021-02-22 스웨이지락 캄파니 Chemical activation of self-passivating metals
JP2023505021A (en) 2019-12-06 2023-02-08 スウェージロック カンパニー Chemical activation of self-passivating metals
JP2023523333A (en) 2020-04-29 2023-06-02 スウェージロック カンパニー Activation of self-passivating metals using reagent coatings for low-temperature nitrocarburizing
EP4210885A2 (en) 2020-09-10 2023-07-19 Swagelok Company Low-temperature case hardening of additive manufactured articles and materials and targeted application of surface modification
EP4330442A1 (en) 2021-04-28 2024-03-06 Swagelok Company Activation of self-passivating metals using reagent coatings for low temperature nitrocarburization in the presence of oxygen-containing gas
WO2023235668A1 (en) 2022-06-02 2023-12-07 Swagelok Company Laser-assisted reagent activation and property modification of self-passivating metals
CN116179946A (en) * 2023-02-01 2023-05-30 浙江久立特材科技股份有限公司 High-strength CO-resistant material 2 Corrosion stainless steel, oil casing, preparation method and application thereof
CN117127124B (en) * 2023-10-21 2023-12-22 江苏金迪特钢有限公司 High-temperature and low-temperature resistant austenitic stainless steel and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424028A (en) * 1993-12-23 1995-06-13 Latrobe Steel Company Case carburized stainless steel alloy for high temperature applications
EP0678589A1 (en) * 1994-04-18 1995-10-25 Daido Hoxan Inc. Method of carburizing austenitic metal and carburized austenitic metal products

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5424028A (en) * 1993-12-23 1995-06-13 Latrobe Steel Company Case carburized stainless steel alloy for high temperature applications
EP0678589A1 (en) * 1994-04-18 1995-10-25 Daido Hoxan Inc. Method of carburizing austenitic metal and carburized austenitic metal products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9212416B2 (en) 2009-08-07 2015-12-15 Swagelok Company Low temperature carburization under soft vacuum

Also Published As

Publication number Publication date
TW336257B (en) 1998-07-11
CN1140649C (en) 2004-03-03
CN1160774A (en) 1997-10-01
EP0787817A2 (en) 1997-08-06
HK1002363A1 (en) 1998-08-21
KR970059302A (en) 1997-08-12

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