Title:
ALUMINUM ALLOY CLAD MATERIAL AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
Japanese Patent JP2018053279
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an aluminum alloy clad material capable of maintaining high corrosion resistance even when wall is thinned.SOLUTION: There is provided an aluminum alloy clad material 1 having a core material S, a first coating material G cladded to one surface of the core material S and a coated film F formed on a surface of the first coating material G, the core material S consists of an aluminum alloy containing, Si:0.30 to 1.50 mass%, Mn:0.60 to 2.00 mass%, Cu:0.10 to 3.00 mass%, Ti:0.05 to 0.50 mass%, Fe:0.01 to 0.50 mass% and the balance Al with inevitable impurities, the first coating material G consists of an Al-Zn-based alloy containing 2.0 to 20.0 mass% of Zn and having thickness of 4 μm or more and the coated film F has thickness of 0.1 to 10 μm and containing boehmite and diaspore of total 70% or more.SELECTED DRAWING: Figure 1
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Inventors:
SAKASHITA SHINJI
KIMURA SHINHEI
SHIBUYA YUJI
TSURUNO AKIHIRO
OZAWA KEISUKE
KIMURA SHINHEI
SHIBUYA YUJI
TSURUNO AKIHIRO
OZAWA KEISUKE
Application Number:
JP2016187591A
Publication Date:
April 05, 2018
Filing Date:
September 26, 2016
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
C22C21/00; C22F1/04; C23C26/00; F28F21/08
Attorney, Agent or Firm:
Isono International Patent and Trademark Office