CLAD MATERIAL, METHOD OF MANUFACTURING PIPE, PIPE, AND HEAT EXCHANGER USING PIPE
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United States of America Patent
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Issued Date -
Oct 6, 2016
app pub date -
May 31, 2016
filing date -
Jun 5, 2015
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Abstract
A clad material is composed of a core material, a first skin material covering one side of the core material, a second skin material covering the other side of the core material, and an intermediate material interposed between the core material and the first skin material. The core material is made of an Al alloy containing Cu (0.3 to 0.5 mass %), Mn (0.6 to 1.0 mass %), Ti (0.05 to 0.15 mass %). The first skin material is made of an Al alloy containing Si (7.9 to 9.5 mass %) and Fe (0.1 to 0.3 mass %). The second skin material is made of an Al alloy containing Si (4.5 to 5.5 mass %) and Cu (0.5 to 0.7 mass %). The intermediate material is made of an Al alloy containing Mn (0.2 to 0.4 mass %) and Zn (0.2 to 0.4 mass %).
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