Title:
ALUMINUM ALLOY SHEET FOR AUTOMOBILE BODY PANEL EXCELLENT IN FILIFORM RUST RESISTANCE, COATING GALLING CURABILITY AND PROCESSABILITY AND MANUFACTURING METHOD THEREFOR, AUTOMOBILE BODY PANEL USING THE SAME AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2017048452
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an aluminum alloy sheet for an automobile body panel excellent in filiform rust resistance and recycling property and a manufacturing method therefor, an automobile body panel using the same and a manufacturing method therefor.SOLUTION: An aluminum alloy sheet for an automobile body panel excellent in filiform rust resistance and recycling property, is made of an Al alloy containing Mg:0.30 to 0.80 mass% (hereafter referred to as "%"), Si:0.80 to 1.40%, Mn:0.20 to 0.65%, Zn:0.44 to 0.60%, Fe:0.25 to 0.40% and Cu:0.17 to 0.25%, has elongation of 23% at 100 days after solution heat treatment, bearing force after conducting coating galling treatment of 200 MPa or more and further point number in a Heming test based on JISH7701 of 0 to 2 point. The present invention also provides a manufacturing method for the aluminum alloy sheet, an automobile body panel using the aluminum alloy sheet and a manufacturing method therefor.SELECTED DRAWING: None
Inventors:
FUJIMOTO ICHIRO
UEKI MITSUHIKO
SHIMADA TAKATOSHI
TAKEDA HIROTAKA
SAGA MAKOTO
UEKI MITSUHIKO
SHIMADA TAKATOSHI
TAKEDA HIROTAKA
SAGA MAKOTO
Application Number:
JP2015175243A
Publication Date:
March 09, 2017
Filing Date:
September 05, 2015
Export Citation:
Assignee:
HONDA MOTOR CO LTD
NIPPON STEEL & SUMITOMO METAL CORP
UACJ CORP
NIPPON STEEL & SUMITOMO METAL CORP
UACJ CORP
International Classes:
C22C21/02; B24B29/00; C22F1/043
Attorney, Agent or Firm:
Megumi Yumoto