GB493518A - Process for the production of metal coating of stainless steel - Google Patents

Process for the production of metal coating of stainless steel

Info

Publication number
GB493518A
GB493518A GB9935/37A GB993537A GB493518A GB 493518 A GB493518 A GB 493518A GB 9935/37 A GB9935/37 A GB 9935/37A GB 993537 A GB993537 A GB 993537A GB 493518 A GB493518 A GB 493518A
Authority
GB
United Kingdom
Prior art keywords
gms
nickel
copper
hydrochloric acid
cadmium
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
GB9935/37A
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.)
ERICH VOOS
Original Assignee
ERICH VOOS
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 to FR824404D priority Critical patent/FR824404A/en
Application filed by ERICH VOOS filed Critical ERICH VOOS
Priority to GB9935/37A priority patent/GB493518A/en
Publication of GB493518A publication Critical patent/GB493518A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • 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

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)
  • ing And Chemical Polishing (AREA)

Abstract

Stainless steel is prepared for electroplating by immersion for a short time in an acid solution of a heavy metal salt of a concentration not exceeding 20 gms. per litre so as to deposit a metal layer of less than 1/1000 mm. in thickness. Salts of metals having a specific gravity of at least 5, e.g. nickel, copper, cadmium or cobalt, may be employed. Suitable immersion baths are: (i) 5 gms. copper sulphate, 100 gms. hydrochloric acid, 1 litre water; (ii) 10 gms. nickel, copper or cadmium sulphate, 50 gms. hydrochloric acid, 50 gms. sulphuric acid, 1 litre water; (iii) 5 gms. nickel, copper or cadmium sulphate, 100 gms. sulphuric acid, 1 litre water. The Specification as open to inspection under Sect. 91 comprises also the following subject-matter: (i) preliminary etching in hydrochloric acid or sulphuric acid or a mixture thereof; (ii) treatment of steels of the following percentage composition: (a) manganese 9, chromium 18, carbon 0,1, nickel 0,4-0,5, remainder iron, (b) manganese 16-17, chromium 10, carbon 0,16-0,17, lithium 0,35, nickel 0,6, molybdenum 0,07, remainder iron. This subject-matter does not appear in the Specification as accepted.
GB9935/37A 1936-03-26 1937-04-07 Process for the production of metal coating of stainless steel Expired GB493518A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR824404D FR824404A (en) 1936-03-26 1937-03-25 Process for producing metallic deposits on stainless steel
GB9935/37A GB493518A (en) 1936-03-26 1937-04-07 Process for the production of metal coating of stainless steel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE824404X 1936-03-26
GB9935/37A GB493518A (en) 1936-03-26 1937-04-07 Process for the production of metal coating of stainless steel

Publications (1)

Publication Number Publication Date
GB493518A true GB493518A (en) 1938-10-07

Family

ID=9881488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9935/37A Expired GB493518A (en) 1936-03-26 1937-04-07 Process for the production of metal coating of stainless steel

Country Status (2)

Country Link
FR (1) FR824404A (en)
GB (1) GB493518A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429222A (en) * 1943-06-05 1947-10-21 Bell Telephone Labor Inc Method of making contact wires
US2858520A (en) * 1955-01-03 1958-10-28 Chance Co Ab Electrical connector
US2878172A (en) * 1956-08-16 1959-03-17 Victor K Scavullo Production of silver-plated stainless steel ware
FR2046884A1 (en) * 1969-06-19 1971-03-12 Udylite Corp
FR2436019A1 (en) * 1978-09-14 1980-04-11 Whittaker Corp METHOD FOR PRINTING SUBSTRATES BY BITE INK JET

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE767175C (en) * 1939-01-19 1951-12-06 Roehrenwerke A G Deutsche Process for the production of silver-plated steel articles

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2429222A (en) * 1943-06-05 1947-10-21 Bell Telephone Labor Inc Method of making contact wires
US2858520A (en) * 1955-01-03 1958-10-28 Chance Co Ab Electrical connector
US2878172A (en) * 1956-08-16 1959-03-17 Victor K Scavullo Production of silver-plated stainless steel ware
FR2046884A1 (en) * 1969-06-19 1971-03-12 Udylite Corp
FR2436019A1 (en) * 1978-09-14 1980-04-11 Whittaker Corp METHOD FOR PRINTING SUBSTRATES BY BITE INK JET

Also Published As

Publication number Publication date
FR824404A (en) 1938-02-08

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