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Title:
ALUMINUM ALLOY EXTRUDED TUBE, MANUFACTURING METHOD THEREOF, AND TUBE MEMBER FOR HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2023/054024
Kind Code:
A1
Abstract:
This aluminum alloy extruded tube has: a core material which has a chemical composition containing 0.20 mass% to 1.2 mass% of Si, more than 0 mass% to 0.50 mass% of Fe, more than 0 mass% to 0.60 mass% of Cu, 0.50 mass% to 1.2 mass% of Mn, 0.001 mass% to 0.50 mass% of Zn, and the balance Al and inevitable impurities; and a sacrificial anode material which is laminated on at least one surface of the core material and has a lower spontaneous potential than the core material.

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Inventors:
TOMORI RYO (JP)
SUZUKI TAICHI (JP)
ANDO MAKOTO (JP)
Application Number:
PCT/JP2022/034760
Publication Date:
April 06, 2023
Filing Date:
September 16, 2022
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Assignee:
UACJ CORP (JP)
International Classes:
C22C21/00; C22F1/00; C22F1/04
Foreign References:
JP2014107516A2014-06-09
JP2008267714A2008-11-06
JP2014055339A2014-03-27
JP2021059774A2021-04-15
Attorney, Agent or Firm:
AICHI, TAKAHASHI, IWAKURA & ASSOCIATES (JP)
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