CA1088457A - Treating metallic article in molten oxidizing salt before immersion in electrolyte - Google Patents

Treating metallic article in molten oxidizing salt before immersion in electrolyte

Info

Publication number
CA1088457A
CA1088457A CA275,220A CA275220A CA1088457A CA 1088457 A CA1088457 A CA 1088457A CA 275220 A CA275220 A CA 275220A CA 1088457 A CA1088457 A CA 1088457A
Authority
CA
Canada
Prior art keywords
electrolyte
bath
salt
molten
group
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.)
Expired
Application number
CA275,220A
Other languages
English (en)
French (fr)
Inventor
Donald R. Zaremski
Albert Krepler
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.)
Ruthner Industrieanlagen AG
Allegheny Ludlum Corp
Original Assignee
Ruthner Industrieanlagen AG
Allegheny Ludlum 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
Priority claimed from US05/672,586 external-priority patent/US4026777A/en
Priority claimed from US05/767,177 external-priority patent/US4066521A/en
Application filed by Ruthner Industrieanlagen AG, Allegheny Ludlum Corp filed Critical Ruthner Industrieanlagen AG
Application granted granted Critical
Publication of CA1088457A publication Critical patent/CA1088457A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F1/00—Electrolytic cleaning, degreasing, pickling or descaling
    • C25F1/02—Pickling; Descaling
    • C25F1/04—Pickling; Descaling in solution
    • C25F1/06—Iron or steel
    • 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
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/28—Cleaning or pickling metallic material with solutions or molten salts with molten salts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
CA275,220A 1976-04-01 1977-03-31 Treating metallic article in molten oxidizing salt before immersion in electrolyte Expired CA1088457A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US672,586 1976-04-01
US05/672,586 US4026777A (en) 1976-04-01 1976-04-01 Metallic descaling system
US05/767,177 US4066521A (en) 1977-02-09 1977-02-09 Metallic descaling system
US767,177 1977-02-09

Publications (1)

Publication Number Publication Date
CA1088457A true CA1088457A (en) 1980-10-28

Family

ID=27100786

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275,220A Expired CA1088457A (en) 1976-04-01 1977-03-31 Treating metallic article in molten oxidizing salt before immersion in electrolyte

Country Status (11)

Country Link
JP (1) JPS5939518B2 (ja)
AU (1) AU505146B2 (ja)
BR (1) BR7701895A (ja)
CA (1) CA1088457A (ja)
DE (1) DE2714136C3 (ja)
ES (1) ES457467A1 (ja)
FR (1) FR2346466A1 (ja)
GB (1) GB1520705A (ja)
IT (1) IT1082692B (ja)
MX (1) MX147289A (ja)
SE (1) SE433950B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59157288A (ja) * 1983-02-25 1984-09-06 Nippon Stainless Steel Co Ltd ステンレス鋼帯の酸洗方法
JPS60121285A (ja) * 1983-12-02 1985-06-28 Nisshin Steel Co Ltd ステンレス鋼の酸洗前処理用溶融塩組成物

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE438799A (ja) * 1939-05-24
FR1226856A (fr) * 1958-12-23 1960-08-16 Procédé de décapage des aciers alliés
GB1082409A (en) * 1963-12-04 1967-09-06 Mitsubishi Heavy Ind Ltd An electrolytic descaling solution
GB1082410A (en) * 1963-12-26 1967-09-06 Mitsubishi Heavy Ind Ltd An electrolytic descaling method
US3260619A (en) * 1965-02-04 1966-07-12 Kolene Corp Methods and compositions for cleaning metal
DE1496785A1 (de) * 1966-12-10 1969-08-07 Dynamit Nobel Ag Verfahren zur Entfernung von Metallpulver und niederen Metalloxyden von der Oberflaeche mit Natriumhydrid gebeizter Drahtbuendel
US3951681A (en) * 1973-11-01 1976-04-20 Kolene Corporation Method for descaling ferrous metals

Also Published As

Publication number Publication date
SE7703405L (sv) 1977-10-02
IT1082692B (it) 1985-05-21
DE2714136A1 (de) 1977-10-20
SE433950B (sv) 1984-06-25
AU505146B2 (en) 1979-11-08
DE2714136C3 (de) 1986-05-28
AU2352377A (en) 1978-09-28
FR2346466A1 (fr) 1977-10-28
MX147289A (es) 1982-11-10
JPS5939518B2 (ja) 1984-09-25
DE2714136B2 (de) 1981-07-23
ES457467A1 (es) 1978-08-16
FR2346466B1 (ja) 1981-11-27
JPS52129635A (en) 1977-10-31
BR7701895A (pt) 1977-11-29
GB1520705A (en) 1978-08-09

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Legal Events

Date Code Title Description
MKEX Expiry