FR2385818A1 - Steel sheet with very thin protective tin coating - obtd. by electroplating; and then heating to form a tin-iron alloy - Google Patents
Steel sheet with very thin protective tin coating - obtd. by electroplating; and then heating to form a tin-iron alloyInfo
- Publication number
- FR2385818A1 FR2385818A1 FR7809425A FR7809425A FR2385818A1 FR 2385818 A1 FR2385818 A1 FR 2385818A1 FR 7809425 A FR7809425 A FR 7809425A FR 7809425 A FR7809425 A FR 7809425A FR 2385818 A1 FR2385818 A1 FR 2385818A1
- Authority
- FR
- France
- Prior art keywords
- coated
- tin
- fesn2
- pref
- electroplating
- 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.)
- Granted
Links
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title abstract 4
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 238000009713 electroplating Methods 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 229910000640 Fe alloy Inorganic materials 0.000 title 1
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 title 1
- NNIPDXPTJYIMKW-UHFFFAOYSA-N iron tin Chemical compound [Fe].[Sn] NNIPDXPTJYIMKW-UHFFFAOYSA-N 0.000 title 1
- 230000001681 protective effect Effects 0.000 title 1
- 229910005391 FeSn2 Inorganic materials 0.000 abstract 4
- 239000005028 tinplate Substances 0.000 abstract 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005238 degreasing Methods 0.000 abstract 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 abstract 1
- 238000007654 immersion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000155 melt Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000011368 organic material Substances 0.000 abstract 1
- 238000005554 pickling Methods 0.000 abstract 1
- -1 sodium fluorosilicate Chemical compound 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000002966 varnish Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/30—Electroplating: Baths therefor from solutions of tin
-
- 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
- C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
- C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
-
- 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
- C25D11/38—Chromatising
-
- 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
- C25D5/48—After-treatment of electroplated surfaces
- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
- C25D5/505—After-treatment of electroplated surfaces by heat-treatment of electroplated tin coatings, e.g. by melting
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Cold rolled mild steel sheet is coated on at least one surface by degreasing; pickling; and then electroplating with max. 0.8 g/m2, pref. 0.5 g/m2 of Sn ot obtain max. 0.12 mu m and pref. 0.07 mu m tin thickness. The coated sheet is next heated above the m.pt. of Sn so the latter melts, followed by cooling to convert all the Sn to FeSn2. The FeSn2 layer is pref. passivated in an electrolytic bath contg. 15-80 g/l chromic acid, 0.15-0.8 g/l H2SO4 and 0.15-0.8 g/l sodium fluorosilicate (SFS) using 0.1-0.5 seconds immersion and 20-80 A/dm2 to obtain a passive film based on Cr. The sheet may be coated on one side with FeSn2 whereas its other side with FeSn2 whereas its other side is coated with free tin. A new process for mfg. tin coated steel which is much less expensive in materials and energy than conventional tinplate, and has a microporosity acting as an anchor for the passive film or varnish. The new tinplate can replace existing plate coated with organic materials, or black tinplate used for drums, etc.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU77061A LU77061A1 (en) | 1977-04-01 | 1977-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2385818A1 true FR2385818A1 (en) | 1978-10-27 |
| FR2385818B1 FR2385818B1 (en) | 1983-04-01 |
Family
ID=19728516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7809425A Granted FR2385818A1 (en) | 1977-04-01 | 1978-03-31 | Steel sheet with very thin protective tin coating - obtd. by electroplating; and then heating to form a tin-iron alloy |
Country Status (7)
| Country | Link |
|---|---|
| AU (1) | AU524826B2 (en) |
| BE (1) | BE865187A (en) |
| DE (1) | DE2813838C2 (en) |
| FR (1) | FR2385818A1 (en) |
| IT (1) | IT1094028B (en) |
| LU (1) | LU77061A1 (en) |
| NL (1) | NL7803364A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2442283A1 (en) * | 1978-11-27 | 1980-06-20 | Toyo Kohan Co Ltd | TINNING ACID ELECTROLYTE AND ITS APPLICATION TO A PROCESS FOR PRODUCING A TINNED STEEL SHEET |
| FR2478680A1 (en) * | 1980-03-18 | 1981-09-25 | Toyo Kohan Co Ltd | PROCESS FOR PRODUCING AN EXTREMELY THIN TIN-COATED STEEL SHEET AND PRODUCT OBTAINED |
| EP0163048A2 (en) * | 1984-03-31 | 1985-12-04 | Kawasaki Steel Corporation | Surface-treated steel strips seam weldable into cans |
| GB2186887B (en) * | 1985-11-25 | 1990-08-22 | Toyo Kohan Co Ltd | Surface treated steel sheet for welded can material and method for its production |
| WO2013143928A1 (en) * | 2012-03-30 | 2013-10-03 | Tata Steel Ijmuiden Bv | Coated substrate for packaging applications and a method for producing said coated substrate |
| EP2722419A1 (en) * | 2012-10-19 | 2014-04-23 | Rohm and Haas Electronic Materials LLC | Thin-tin tinplate |
| US9920446B2 (en) | 2012-04-11 | 2018-03-20 | Tata Steel Ijmuiden Bv | Polymer coated substrate for packaging applications and a method for producing said coated substrate |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465011A1 (en) | 1979-09-06 | 1981-03-20 | Carnaud Sa | MATERIAL CONSISTING OF A PROTECTED STEEL SHEET, METHOD FOR MANUFACTURING SAME, AND APPLICATIONS THEREOF, IN PARTICULAR TO PRESERVE BOXES |
| SE451976B (en) * | 1980-06-03 | 1987-11-09 | Nippon Steel Corp | STRABBAND WITH COATING LAYER AND CONTAINER MANUFACTURED FROM A CLEAR STALBAND |
| DE50015695D1 (en) * | 1999-12-11 | 2009-09-03 | Rasselstein Gmbh | Process for the production of tinplate high corrosion resistance |
| DE19959749C2 (en) * | 1999-12-11 | 2003-06-18 | Rasselstein Hoesch Gmbh | Process for producing tinplate with high corrosion resistance |
| DE102012100509B4 (en) | 2012-01-23 | 2015-10-08 | Thyssenkrupp Rasselstein Gmbh | Process for refining a metallic coating on a steel strip |
| CN115961317A (en) * | 2021-10-12 | 2023-04-14 | 宝山钢铁股份有限公司 | Electrotinning steel plate and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216912A (en) * | 1961-09-05 | 1965-11-09 | United States Steel Corp | Method of treating matte tin plate to prevent darkening |
| US3337431A (en) * | 1962-11-10 | 1967-08-22 | Toyo Kohan Co Ltd | Electrochemical treatment of metal surfaces |
| US3799750A (en) * | 1972-11-06 | 1974-03-26 | Steel Corp | Can stock with differential protective coatings |
| US3838024A (en) * | 1969-05-07 | 1974-09-24 | Nat Steel Corp | Method of improving the corrosion resistance of substrates |
| FR2362056A1 (en) * | 1976-08-18 | 1978-03-17 | Toyo Kohan Co Ltd | STEEL SHEET USEFUL FOR FORMING CANS OF FOOD AND BEVERAGE |
| FR2362943A1 (en) * | 1976-08-25 | 1978-03-24 | Toyo Kohan Co Ltd | STEEL SHEET FOR DRINK AND FOOD CANS |
-
1977
- 1977-04-01 LU LU77061A patent/LU77061A1/xx unknown
-
1978
- 1978-03-22 BE BE186178A patent/BE865187A/en not_active IP Right Cessation
- 1978-03-30 AU AU34594/78A patent/AU524826B2/en not_active Expired
- 1978-03-30 NL NL7803364A patent/NL7803364A/en not_active Application Discontinuation
- 1978-03-31 FR FR7809425A patent/FR2385818A1/en active Granted
- 1978-03-31 DE DE2813838A patent/DE2813838C2/en not_active Expired
- 1978-03-31 IT IT21873/78A patent/IT1094028B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3216912A (en) * | 1961-09-05 | 1965-11-09 | United States Steel Corp | Method of treating matte tin plate to prevent darkening |
| US3337431A (en) * | 1962-11-10 | 1967-08-22 | Toyo Kohan Co Ltd | Electrochemical treatment of metal surfaces |
| US3838024A (en) * | 1969-05-07 | 1974-09-24 | Nat Steel Corp | Method of improving the corrosion resistance of substrates |
| US3799750A (en) * | 1972-11-06 | 1974-03-26 | Steel Corp | Can stock with differential protective coatings |
| FR2362056A1 (en) * | 1976-08-18 | 1978-03-17 | Toyo Kohan Co Ltd | STEEL SHEET USEFUL FOR FORMING CANS OF FOOD AND BEVERAGE |
| FR2362943A1 (en) * | 1976-08-25 | 1978-03-24 | Toyo Kohan Co Ltd | STEEL SHEET FOR DRINK AND FOOD CANS |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2442283A1 (en) * | 1978-11-27 | 1980-06-20 | Toyo Kohan Co Ltd | TINNING ACID ELECTROLYTE AND ITS APPLICATION TO A PROCESS FOR PRODUCING A TINNED STEEL SHEET |
| FR2478680A1 (en) * | 1980-03-18 | 1981-09-25 | Toyo Kohan Co Ltd | PROCESS FOR PRODUCING AN EXTREMELY THIN TIN-COATED STEEL SHEET AND PRODUCT OBTAINED |
| EP0163048A2 (en) * | 1984-03-31 | 1985-12-04 | Kawasaki Steel Corporation | Surface-treated steel strips seam weldable into cans |
| EP0163048A3 (en) * | 1984-03-31 | 1986-06-25 | Kawasaki Steel Corporation | Surface-treated steel strips seam weldable into cans |
| GB2186887B (en) * | 1985-11-25 | 1990-08-22 | Toyo Kohan Co Ltd | Surface treated steel sheet for welded can material and method for its production |
| WO2013143928A1 (en) * | 2012-03-30 | 2013-10-03 | Tata Steel Ijmuiden Bv | Coated substrate for packaging applications and a method for producing said coated substrate |
| US10000861B2 (en) | 2012-03-30 | 2018-06-19 | Tata Steel Ijmuiden Bv | Coated substrate for packaging applications and a method for producing said coated substrate |
| US9920446B2 (en) | 2012-04-11 | 2018-03-20 | Tata Steel Ijmuiden Bv | Polymer coated substrate for packaging applications and a method for producing said coated substrate |
| EP2722419A1 (en) * | 2012-10-19 | 2014-04-23 | Rohm and Haas Electronic Materials LLC | Thin-tin tinplate |
Also Published As
| Publication number | Publication date |
|---|---|
| BE865187A (en) | 1978-07-17 |
| AU3459478A (en) | 1979-10-04 |
| LU77061A1 (en) | 1979-01-18 |
| IT7821873A0 (en) | 1978-03-31 |
| AU524826B2 (en) | 1982-10-07 |
| IT1094028B (en) | 1985-07-26 |
| DE2813838C2 (en) | 1987-01-15 |
| DE2813838A1 (en) | 1978-10-05 |
| FR2385818B1 (en) | 1983-04-01 |
| NL7803364A (en) | 1978-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |