GB925065A - Method of making tin plate - Google Patents

Method of making tin plate

Info

Publication number
GB925065A
GB925065A GB4390261A GB4390261A GB925065A GB 925065 A GB925065 A GB 925065A GB 4390261 A GB4390261 A GB 4390261A GB 4390261 A GB4390261 A GB 4390261A GB 925065 A GB925065 A GB 925065A
Authority
GB
United Kingdom
Prior art keywords
tin
strip
alloy
temperature
heating
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
GB4390261A
Inventor
Richard Franklin Higgs
Richard Armstrong Neish
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.)
United States Steel Corp
Original Assignee
United States Steel Corp
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 United States Steel Corp filed Critical United States Steel Corp
Priority to GB4390261A priority Critical patent/GB925065A/en
Publication of GB925065A publication Critical patent/GB925065A/en
Expired 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
    • 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)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)

Abstract

925,065. Thermal treatment of tin plate. UNITED STATES STEEL CORPORATION. Dec. 7, 1961, No. 43902/61. Class 41. Electro-tinned low-carbon steel strip is heated, during forward travel after tinning, to a temperature above the melting-point of tin to form a limited amount of tin-iron alloy determined by quenching the strip to a temperature substantially below said melting-point to arrest further alloy formation; the strip is then again heated during further travel to a temperature above said melting-point to form further additional tin-iron alloy followed by quenching to atmospheric temperature. The first thermal treatment causes iron-tin alloy to form at scattered points on the surface of the strip whereas the second thermal treatment causes said alloy to form at further scattered points other than said first-mentioned points, whereby the resulting tin-plate has a more nearly uniform distribution of iron-tin alloy over the surface thereof. The first heating is controlled to cause the formation of alloy containing 0.03-0.06 1b./bb. of tin and the second heating is controlled to produce a total alloy containing 0.06-0.12 1b./bb. of tin. Tin-plate strip 10 runs over guide rollers 11, 12, 13 and 14. The first heating unit is positioned in the strip path between rollers 12 and 13 and is preferably a high-frequency inductive heating coil; this is followed by quench means 16. The portion of the strip between guide rollers 12 and 14 is heated by the electrical resistance of the strip from current supplied via connections 17. Typically the inductor coil heats the strip to abut 500‹ F. at a position between rollers 12 and 13 which temperature is reduced to about 200 ‹ F. by prompt quenching; and just before entry into the water quench bath 18 a temperature of about 550‹ F. is achieved by resistor heating.
GB4390261A 1961-12-07 1961-12-07 Method of making tin plate Expired GB925065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4390261A GB925065A (en) 1961-12-07 1961-12-07 Method of making tin plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4390261A GB925065A (en) 1961-12-07 1961-12-07 Method of making tin plate

Publications (1)

Publication Number Publication Date
GB925065A true GB925065A (en) 1963-05-01

Family

ID=10430855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4390261A Expired GB925065A (en) 1961-12-07 1961-12-07 Method of making tin plate

Country Status (1)

Country Link
GB (1) GB925065A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362056A1 (en) * 1976-08-18 1978-03-17 Toyo Kohan Co Ltd STEEL SHEET USEFUL FOR FORMING CANS OF FOOD AND BEVERAGE
US4487663A (en) * 1979-11-22 1984-12-11 Nippon Kokan Kabushiki Kaisha Steel sheets for preparing welded and coated cans and method for manufacturing the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2362056A1 (en) * 1976-08-18 1978-03-17 Toyo Kohan Co Ltd STEEL SHEET USEFUL FOR FORMING CANS OF FOOD AND BEVERAGE
US4487663A (en) * 1979-11-22 1984-12-11 Nippon Kokan Kabushiki Kaisha Steel sheets for preparing welded and coated cans and method for manufacturing the same

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