IT1082692B - METAL SURFACES DESCALING PROCEDURE - Google Patents

METAL SURFACES DESCALING PROCEDURE

Info

Publication number: IT1082692B
Authority: IT; Italy
Prior art keywords: metal surfaces; descaling procedure; descaling; procedure; metal
Prior art date: 1976-04-01

Application number

IT48766/77A

Other languages

Italian (it)

Original Assignee

Allegheny Ludlum Ind Inc

Ruthner Industrieanlagen Ag

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.)

1976-04-01

Filing date

1977-03-31

Publication date

1985-05-21

1976-04-01 Priority claimed from US05/672,586 external-priority patent/US4026777A/en

1977-02-09 Priority claimed from US05/767,177 external-priority patent/US4066521A/en

1977-03-31 Application filed by Allegheny Ludlum Ind Inc, Ruthner Industrieanlagen Ag filed Critical Allegheny Ludlum Ind Inc

1985-05-21 Application granted granted Critical

1985-05-21 Publication of IT1082692B publication Critical patent/IT1082692B/en

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)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
General Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
Electrochemistry (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

IT48766/77A 1976-04-01 1977-03-31 METAL SURFACES DESCALING PROCEDURE IT1082692B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
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

Publications (1)

Publication Number	Publication Date
IT1082692B true IT1082692B (en)	1985-05-21

Family

ID=27100786

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT48766/77A IT1082692B (en)	1976-04-01	1977-03-31	METAL SURFACES DESCALING PROCEDURE

Country Status (11)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS59157288A (en) *	1983-02-25	1984-09-06	Nippon Stainless Steel Co Ltd	Method for pickling stainless steel strip
JPS60121285A (en) *	1983-12-02	1985-06-28	Nisshin Steel Co Ltd	Molten salt composition for pretreating stainless steel before pickling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE438799A (en) *	1939-05-24
FR1226856A (en) *	1958-12-23	1960-08-16		Alloy steels pickling process
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 (en) *	1966-12-10	1969-08-07	Dynamit Nobel Ag	Process for removing metal powder and lower metal oxides from the surface of wire bundles pickled with sodium hydride
US3951681A (en) *	1973-11-01	1976-04-20	Kolene Corporation	Method for descaling ferrous metals

1977
- 1977-03-22 GB GB11937/77A patent/GB1520705A/en not_active Expired
- 1977-03-23 AU AU23523/77A patent/AU505146B2/en not_active Expired
- 1977-03-24 SE SE7703405A patent/SE433950B/en unknown
- 1977-03-28 BR BR7701895A patent/BR7701895A/en unknown
- 1977-03-30 DE DE2714136A patent/DE2714136C3/en not_active Expired
- 1977-03-31 FR FR7709776A patent/FR2346466A1/en active Granted
- 1977-03-31 MX MX168595A patent/MX147289A/en unknown
- 1977-03-31 JP JP52036897A patent/JPS5939518B2/en not_active Expired
- 1977-03-31 CA CA275,220A patent/CA1088457A/en not_active Expired
- 1977-03-31 IT IT48766/77A patent/IT1082692B/en active
- 1977-04-01 ES ES457467A patent/ES457467A1/en not_active Expired

Also Published As

Publication number	Publication date
JPS5939518B2 (en)	1984-09-25
GB1520705A (en)	1978-08-09
BR7701895A (en)	1977-11-29
FR2346466B1 (en)	1981-11-27
CA1088457A (en)	1980-10-28
ES457467A1 (en)	1978-08-16
JPS52129635A (en)	1977-10-31
AU505146B2 (en)	1979-11-08
MX147289A (en)	1982-11-10
SE7703405L (en)	1977-10-02
FR2346466A1 (en)	1977-10-28
DE2714136B2 (en)	1981-07-23
DE2714136C3 (en)	1986-05-28
AU2352377A (en)	1978-09-28
DE2714136A1 (en)	1977-10-20
SE433950B (en)	1984-06-25

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