ALUMINUM ALLOY COATING SHEET FOR CAN TOP

Title:

ALUMINUM ALLOY COATING SHEET FOR CAN TOP

Document Type and Number:

Japanese Patent JP2017166030

Kind Code:

A

Abstract:

PROBLEM TO BE SOLVED: To provide an aluminum alloy coating sheet for can top having excellent flexure processability and capable of providing good corrosion resistance even after molding a top.SOLUTION: There is provided an aluminum alloy coating sheet for can top having an aluminum alloy sheet containing Mg:4.0 to 5.5 mass%, Mn:0.38 to 0.6 mass%, Cu:0.05 to 0.25 mass%, Fe:0.1 to 0.5 mass%, Si:0.05 to 0.3 mass% and the balance Al with inevitable impurities as a base material and a coated film on a surface, the aluminum alloy sheet has average of gaps of high density transition walls in a rolling direction measured from an electron channeling contrast image observed by SEM (scanning electron microscope) of a surface parallel to a sheet surface positioned in a center of a sheet thickness direction of 500 to 850 nm.SELECTED DRAWING: Figure 2

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Inventors:

YAMAGUCHI MASAHIRO
TABUCHI YOSHIAKI

Application Number:

JP2016053097A

Publication Date:

September 21, 2017

Filing Date:

March 16, 2016

Export Citation:

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Assignee:

KOBE STEEL LTD

International Classes:

C22C21/06; B21D51/44; B65D8/04; C22F1/047

Attorney, Agent or Firm:

Kaoru Kamoto

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