CA2640937A1 - Improved process for coloring low temperature carburized austenitic stainless steel - Google Patents

Improved process for coloring low temperature carburized austenitic stainless steel Download PDF

Info

Publication number
CA2640937A1
CA2640937A1 CA002640937A CA2640937A CA2640937A1 CA 2640937 A1 CA2640937 A1 CA 2640937A1 CA 002640937 A CA002640937 A CA 002640937A CA 2640937 A CA2640937 A CA 2640937A CA 2640937 A1 CA2640937 A1 CA 2640937A1
Authority
CA
Canada
Prior art keywords
workpiece
pulse
cycle
positive
duration
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.)
Abandoned
Application number
CA002640937A
Other languages
English (en)
French (fr)
Inventor
George R. Vraciu
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.)
Swagelok Co
Original Assignee
Swagelok Company
George R. Vraciu
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 Swagelok Company, George R. Vraciu filed Critical Swagelok Company
Publication of CA2640937A1 publication Critical patent/CA2640937A1/en
Abandoned legal-status Critical Current

Links

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
    • C23C8/80—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/18—Electroplating using modulated, pulsed or reversing current
    • 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
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/024—Anodisation under pulsed or modulated current or potential
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/34—Pretreatment of metallic surfaces to be electroplated
    • C25D5/36—Pretreatment of metallic surfaces to be electroplated of iron or steel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
    • F16L19/06—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends
    • F16L19/061—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts in which radial clamping is obtained by wedging action on non-deformed pipe ends a pressure ring being arranged between the clamping ring and the threaded member or the connecting member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/60—Identification or marking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Heat Treatment Of Articles (AREA)
CA002640937A 2006-02-15 2007-02-01 Improved process for coloring low temperature carburized austenitic stainless steel Abandoned CA2640937A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US77349706P 2006-02-15 2006-02-15
US60/773,497 2006-02-15
PCT/US2007/002751 WO2007108865A1 (en) 2006-02-15 2007-02-01 Improved process for coloring low temperature carburized austenitic stainless steel

Publications (1)

Publication Number Publication Date
CA2640937A1 true CA2640937A1 (en) 2007-09-27

Family

ID=38137318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002640937A Abandoned CA2640937A1 (en) 2006-02-15 2007-02-01 Improved process for coloring low temperature carburized austenitic stainless steel

Country Status (9)

Country Link
US (1) US20070209948A1 (ja)
EP (1) EP1984542A1 (ja)
JP (1) JP2009526914A (ja)
KR (1) KR20080110991A (ja)
CN (1) CN101384754A (ja)
AU (1) AU2007227773A1 (ja)
CA (1) CA2640937A1 (ja)
IL (1) IL192838A0 (ja)
WO (1) WO2007108865A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060191102A1 (en) * 2005-02-15 2006-08-31 Hayes Charles W Ii Color-coded stainless steel fittings and ferrules
CN105839165B (zh) * 2016-04-20 2017-12-12 深圳八六三计划材料表面技术研发中心 一种奥氏体不锈钢及提高硬度和耐蚀性的处理方法
JP6934236B2 (ja) * 2016-11-01 2021-09-15 株式会社フジキン 食い込み式管継手用リングの製造方法
JP6909582B2 (ja) * 2017-01-18 2021-07-28 株式会社Ｊｃｕ 着色用めっき液および着色方法
KR102300842B1 (ko) 2020-06-26 2021-09-10 기양금속공업(주) 흑색 스테인리스강 제조 방법
WO2022224873A1 (ja) * 2021-04-19 2022-10-27 株式会社フジキン 継手
CN113151877B (zh) * 2021-04-25 2022-03-22 攀钢集团研究院有限公司 耐磨钛合金微弧氧化涂层的制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3103373A (en) * 1961-06-29 1963-09-10 Crawford Fitting Co Controlled phase sequential gripping device
AU503043B2 (en) * 1974-10-22 1979-08-23 Nippon Steel Corporation Coloring a stainless steel
JPS55125278A (en) * 1979-03-20 1980-09-26 Nisshin Steel Co Ltd Coloring method for stainless steel
JPS6022065B2 (ja) * 1983-07-11 1985-05-30 日新製鋼株式会社 ステンレス帯鋼の連続着色方法
WO1986003229A1 (en) * 1984-11-22 1986-06-05 Kawasaki Steel Corporation Method of manufacturing colored stainless steel materials and apparatus for continuously manufacturing same
DE19610315C2 (de) * 1995-03-31 2000-12-07 Honda Motor Co Ltd Gleitflächenaufbau
US5792282A (en) * 1995-04-17 1998-08-11 Daido Hoxan, Inc. Method of carburizing austenitic stainless steel and austenitic stainless steel products obtained thereby
US6629708B2 (en) * 1997-04-15 2003-10-07 Swagelok Company Ferrule with relief to reduce galling
IL122928A (en) * 1998-01-13 2000-10-31 Nickel Rainbow Ltd Articles having a colored metallic coating with special properties
US6547888B1 (en) * 2000-01-28 2003-04-15 Swagelok Company Modified low temperature case hardening processes
KR20080091251A (ko) * 2001-02-06 2008-10-09 스와겔로크 컴패니 내부 풀업 표시를 갖는 이음쇠
JP4651837B2 (ja) * 2001-03-09 2011-03-16 シチズンホールディングス株式会社 食器類およびその製造方法
US20060191102A1 (en) * 2005-02-15 2006-08-31 Hayes Charles W Ii Color-coded stainless steel fittings and ferrules

Also Published As

Publication number Publication date
US20070209948A1 (en) 2007-09-13
EP1984542A1 (en) 2008-10-29
WO2007108865A1 (en) 2007-09-27
JP2009526914A (ja) 2009-07-23
IL192838A0 (en) 2009-02-11
KR20080110991A (ko) 2008-12-22
CN101384754A (zh) 2009-03-11
AU2007227773A1 (en) 2007-09-27

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Legal Events

Date Code Title Description
FZDE Discontinued