Title:
【発明の名称】アルミニウムシートの製造法
Document Type and Number:
Japanese Patent JP2001518140
Kind Code:
A
Abstract:
A process of producing an aluminum alloy sheet article of high yield strength and ductility suitable, in particular, for use in manufacturing automotive panels. The process comprises casting a non heat-treatable aluminum alloy to form a cast slab, and subjecting said cast slab to a series of rolling steps to produce a sheet article of final gauge, preferably followed by annealing to cause recrystallization. The rolling steps involve hot and warm rolling the slab to form an intermediate sheet article of intermediate gauge, cooling the intermediate sheet article, and then warm and cold rolling the cooled intermediate sheet to final gauge at a temperature in the range of ambient temperature to 340 DEG C. to form said sheet article. The series of rolling steps is carried out continuously without intermediate coiling or full annealing of the intermediate sheet article. The invention also relates to the alloy sheet article produced by the process.
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Inventors:
Wycliffe, Paul
Ruth, Edward Stanley
Ruth, Edward Stanley
Application Number:
JP53899298A
Publication Date:
October 09, 2001
Filing Date:
March 05, 1998
Export Citation:
Assignee:
ALCAN INTERNATIONAL LIMITED
International Classes:
B21B3/00; C22C21/06; C22F1/00; C22F1/047; (IPC1-7): C22F1/047; B21B3/00
Attorney, Agent or Firm:
Aoyama Ryo (1 person outside)