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 alloy

Info

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
Application number
FR7809425A
Other languages
French (fr)
Other versions
FR2385818B1 (en
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.)
Cockerill SA
Original Assignee
Cockerill SA
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 Cockerill SA filed Critical Cockerill SA
Publication of FR2385818A1 publication Critical patent/FR2385818A1/en
Application granted granted Critical
Publication of FR2385818B1 publication Critical patent/FR2385818B1/fr
Granted legal-status Critical Current

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
    • 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.
FR7809425A 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 Granted FR2385818A1 (en)

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) DE2813838A1 (en)
FR (1) FR2385818A1 (en)
IT (1) IT1094028B (en)
LU (1) LU77061A1 (en)
NL (1) NL7803364A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
GB2079319B (en) * 1980-06-03 1983-11-16 Nippon Steel Corp Hydrated chromium oxide-coated steel strip for welded cans and other containers
DE19959749C2 (en) * 1999-12-11 2003-06-18 Rasselstein Hoesch Gmbh Process for producing tinplate with high corrosion resistance
ATE437247T1 (en) * 1999-12-11 2009-08-15 Rasselstein Gmbh METHOD 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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE2813838A1 (en) 1978-10-05
AU524826B2 (en) 1982-10-07
BE865187A (en) 1978-07-17
IT1094028B (en) 1985-07-26
DE2813838C2 (en) 1987-01-15
NL7803364A (en) 1978-10-03
LU77061A1 (en) 1979-01-18
IT7821873A0 (en) 1978-03-31
FR2385818B1 (en) 1983-04-01
AU3459478A (en) 1979-10-04

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Legal Events

Date Code Title Description
ST Notification of lapse