GB2017762A - Improving the surface cleanliness of a cold-rolled metal product - Google Patents
Improving the surface cleanliness of a cold-rolled metal productInfo
- Publication number
- GB2017762A GB2017762A GB7908198A GB7908198A GB2017762A GB 2017762 A GB2017762 A GB 2017762A GB 7908198 A GB7908198 A GB 7908198A GB 7908198 A GB7908198 A GB 7908198A GB 2017762 A GB2017762 A GB 2017762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- product
- cold
- rolled metal
- improving
- metal product
- 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- Withdrawn
Links
Classifications
-
- 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
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
-
- 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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
-
- 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
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Electrochemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
A cold-rolled metal, e.g. steel, product is degreased in an alkaline solution containing sodium silicate and a sulphur-bearing substance such as thiourea. The degreased product is rinsed, coiled into closely packed turns, and subjected to heat treatment during which sulphur retaining by the product reacts with carbon migrating to the surface of the product to form a volatile compound. The treated product is suitable for coating with a metal.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE6046378A BE864685A (en) | 1978-03-08 | 1978-03-08 | PROCESS FOR IMPROVING THE SURFACE CLEANLINESS OF METAL SHEETS SUCH AS STEEL SHEETS |
BE6046381A BE864724A (en) | 1978-03-09 | 1978-03-09 | PERFECTED PROCESS TO IMPROVE THE SURFACE CLEANLINESS OF METAL SHEETS |
Publications (1)
Publication Number | Publication Date |
---|---|
GB2017762A true GB2017762A (en) | 1979-10-10 |
Family
ID=25662133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7908198A Withdrawn GB2017762A (en) | 1978-03-08 | 1979-03-08 | Improving the surface cleanliness of a cold-rolled metal product |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE2908693A1 (en) |
FR (1) | FR2419336A1 (en) |
GB (1) | GB2017762A (en) |
LU (1) | LU80996A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2224750A (en) * | 1988-09-26 | 1990-05-16 | Fuji Xerox Co Ltd | Method for removing a selenium-containing layer from an electrophotographic photoreceptor |
US7645494B2 (en) | 2003-01-23 | 2010-01-12 | H.C. Starck Inc. | Pre-plating surface treatments for enhanced galvanic-corrosion resistance |
WO2014088124A1 (en) * | 2012-12-05 | 2014-06-12 | Kao Corporation | Method of cleaning of steel sheet surface and use of a detergent composition thereof |
-
1979
- 1979-03-01 FR FR7906182A patent/FR2419336A1/en not_active Withdrawn
- 1979-03-05 LU LU80996A patent/LU80996A1/en unknown
- 1979-03-06 DE DE19792908693 patent/DE2908693A1/en not_active Withdrawn
- 1979-03-08 GB GB7908198A patent/GB2017762A/en not_active Withdrawn
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2224750A (en) * | 1988-09-26 | 1990-05-16 | Fuji Xerox Co Ltd | Method for removing a selenium-containing layer from an electrophotographic photoreceptor |
US5085732A (en) * | 1988-09-26 | 1992-02-04 | Fuji Xerox Co., Ltd. | Method for removing a selenium-containing layer from a electrophotographic photoreceptor |
GB2224750B (en) * | 1988-09-26 | 1992-12-02 | Fuji Xerox Co Ltd | Method for removing a selenium-containing layer from an electrophotographic photoreceptor |
US7645494B2 (en) | 2003-01-23 | 2010-01-12 | H.C. Starck Inc. | Pre-plating surface treatments for enhanced galvanic-corrosion resistance |
WO2014088124A1 (en) * | 2012-12-05 | 2014-06-12 | Kao Corporation | Method of cleaning of steel sheet surface and use of a detergent composition thereof |
US10072340B2 (en) | 2012-12-05 | 2018-09-11 | Kao Corporation | Method of cleaning of steel sheet surface and use of a detergent composition thereof |
Also Published As
Publication number | Publication date |
---|---|
FR2419336A1 (en) | 1979-10-05 |
LU80996A1 (en) | 1979-06-18 |
DE2908693A1 (en) | 1979-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |