GB657025A - Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead - Google Patents

Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead

Info

Publication number
GB657025A
GB657025A GB29897/47A GB2989747A GB657025A GB 657025 A GB657025 A GB 657025A GB 29897/47 A GB29897/47 A GB 29897/47A GB 2989747 A GB2989747 A GB 2989747A GB 657025 A GB657025 A GB 657025A
Authority
GB
United Kingdom
Prior art keywords
lead
copper
iron
coating
steel
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
GB29897/47A
Inventor
Gordon Lennox James Bailey
Harry Clifford Watkins
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.)
British Non Ferrous Metals Research Association
Original Assignee
British Non Ferrous Metals Research Association
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 British Non Ferrous Metals Research Association filed Critical British Non Ferrous Metals Research Association
Priority to GB29897/47A priority Critical patent/GB657025A/en
Priority to FR974684D priority patent/FR974684A/en
Priority to BE485731A priority patent/BE485731A/en
Publication of GB657025A publication Critical patent/GB657025A/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
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
    • C23C2/10—Lead or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating With Molten Metal (AREA)

Abstract

Continuous, adherent lead coatings are formed on surfaces of iron, steel, copper or their alloys by dipping the solid metal into liquid lead or lead alloys containing 0.01-0.5 per cent of nickel. Lead alloys containing tellurium or copper or both may be used. Prior to coating, iron or steel may be pickled in hot 10 per cent sulphuric acid, without any inhibitor; or roughened, e.g. by scratch brushing, and then pickled in inhibited acid; copper surfaces may be roughened in acidified solutions of ferric sulphate or ferric chloride. After pickling and washing the metal may be fluxed in aqueous zinc chloride or zinc ammonium chloride, in hydrogen gas or in an aqueous solution of equal parts of lithium, potassium and ammonium chlorides; or molten zinc ammonium chloride may be floated on the lead bath. The coating may serve as a lubricant during drawing or may be built up by melting a lead rod thereon, or articles may be simultaneously coated and soldered. Specification 226,774, [Class 82(i)], is referred to.
GB29897/47A 1947-11-10 1947-11-10 Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead Expired GB657025A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB29897/47A GB657025A (en) 1947-11-10 1947-11-10 Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead
FR974684D FR974684A (en) 1947-11-10 1948-11-05 Process for forming metal layers on metals or alloys
BE485731A BE485731A (en) 1947-11-10 1948-11-09 Process for forming metal layers on metals or alloys

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29897/47A GB657025A (en) 1947-11-10 1947-11-10 Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead

Publications (1)

Publication Number Publication Date
GB657025A true GB657025A (en) 1951-09-05

Family

ID=10298962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29897/47A Expired GB657025A (en) 1947-11-10 1947-11-10 Improvements in or relating to the coating of iron, steel, copper and copper alloy with lead

Country Status (3)

Country Link
BE (1) BE485731A (en)
FR (1) FR974684A (en)
GB (1) GB657025A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220005A (en) * 1988-06-28 1989-12-28 Borsodi Vegyi Komb Process for removing oxide layer and scale from metals and metal alloys

Also Published As

Publication number Publication date
FR974684A (en) 1951-02-23
BE485731A (en) 1948-11-30

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