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Title:
ALUMINUM ALLOY-BRAZING SHEET FOR HEAT EXCHANGER
Document Type and Number:
WIPO Patent Application WO/2019/035316
Kind Code:
A1
Abstract:
Provided is an aluminum alloy-brazing sheet for a heat exchanger, the aluminum alloy-brazing sheet being a three-layered material in which a brazing material layer, an intermediate layer, and a core material are clad and laminated, wherein the intermediate layer is an aluminum alloy containing at least 0.2 mass% and less than 0.35 mass% of Mn, at most 0.6 mass% of Si, at most 0.7 mass% of Fe, and at most 0.1 mass% of Cu, with the remainder comprising Al and inevitable impurities, the core material is an aluminum alloy containing at most 1.2 mass% of Si, at most 1.0 mass% of Fe, 0.3-1.0 mass% of Cu, and 0.5-2.0 mass% of Mn, with the remainder comprising Al and inevitable impurities, and the brazing material layer is an aluminum alloy containing 4-13 mass% of Si, with the remainder comprising Al and inevitable impurities. According to the present invention, an aluminum alloy-brazing sheet for manufacturing a heat exchanger member having excellent corrosion resistance can be provided.

Inventors:
KITADA Yukie (7-2 Otemachi 1-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
YAMASHITA Naoki (7-2 Otemachi 1-chome, Chiyoda-k, Tokyo 04, 〒1000004, JP)
Application Number:
JP2018/027422
Publication Date:
February 21, 2019
Filing Date:
July 23, 2018
Export Citation:
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Assignee:
UACJ CORPORATION (7-2 Otemachi 1-chome, Chiyoda-ku Tokyo, 04, 〒1000004, JP)
International Classes:
C22C21/00; B23K35/14; B23K35/22; B23K35/28; F28F21/08; C22F1/00; C22F1/04
Foreign References:
JP2009041042A2009-02-26
JP2009161826A2009-07-23
JP2011520032A2011-07-14
Attorney, Agent or Firm:
ASHITABA INTERNATIONAL PATENT OFFICE (Kaede Bldg. 2F, 2-3-6 Uchikanda, Chiyoda-k, Tokyo 47, 〒1010047, JP)
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