GB390999A - Process for improving the deep drawing power of sheet metal and steel strip intended for deep drawing - Google Patents

Process for improving the deep drawing power of sheet metal and steel strip intended for deep drawing

Info

Publication number
GB390999A
GB390999A GB22398/32A GB2239832A GB390999A GB 390999 A GB390999 A GB 390999A GB 22398/32 A GB22398/32 A GB 22398/32A GB 2239832 A GB2239832 A GB 2239832A GB 390999 A GB390999 A GB 390999A
Authority
GB
United Kingdom
Prior art keywords
deep drawing
sheet metal
steel strip
improving
strip intended
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
GB22398/32A
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.)
Vereinigte Stahlwerke AG
Original Assignee
Vereinigte Stahlwerke AG
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 Vereinigte Stahlwerke AG filed Critical Vereinigte Stahlwerke AG
Publication of GB390999A publication Critical patent/GB390999A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0447—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing characterised by the heat treatment
    • C21D8/0473—Final recrystallisation annealing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

To improve the deep drawing power of sheet metal and steel strip intended for deep drawing, the metal is heated for 1-3 minutes at a temperature between 350 DEG C. and the Ac1 point so that the tensile strength attained through cold rolling or drawing is left unaltered.
GB22398/32A 1931-08-19 1932-08-10 Process for improving the deep drawing power of sheet metal and steel strip intended for deep drawing Expired GB390999A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE390999X 1931-08-19

Publications (1)

Publication Number Publication Date
GB390999A true GB390999A (en) 1933-04-20

Family

ID=6377294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22398/32A Expired GB390999A (en) 1931-08-19 1932-08-10 Process for improving the deep drawing power of sheet metal and steel strip intended for deep drawing

Country Status (1)

Country Link
GB (1) GB390999A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915424A (en) * 1952-11-05 1959-12-01 Lyon George Albert Method of making cartridge cases and like articles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915424A (en) * 1952-11-05 1959-12-01 Lyon George Albert Method of making cartridge cases and like articles

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