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PLATE FIN MATERIAL FOR HEAT EXCHANGER AND METHOD OF MANUFACTURING THE PLATE FIN MATERIAL, AND THE HEAT EXCHANGER USING THE PLATE FIN MATERIAL AND METHOD OF MANUFACTURING THE HEAT EXCHANGER
PLATE FIN MATERIAL FOR HEAT EXCHANGER AND METHOD OF MANUFACTURING THE PLATE FIN MATERIAL, AND THE HEAT EXCHANGER USING THE PLATE FIN MATERIAL AND METHOD OF MANUFACTURING THE HEAT EXCHANGER
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机译：用于换热器的板翅材料和制造该板翅材料的方法，以及使用该板翅材料的热交换器和制造该换热器的方法
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摘要
PROBLEM TO BE SOLVED: To secure good brazing property and to secure high strength by preventing degradation in the strength after brazing, in a plate fin material for a heat exchanger.;SOLUTION: In the plate fin material which has sheet thickness of 0.05-0.15 mm, in which joint portion is formed and heat transfer pipe is brazed to the joint portion, and which is composed of a single material or a clad material, the core material of the single material or clad material has a composition composed of, by mass%, 1.5 to 2.0% Mn and 0.15-0.50% Fe wherein Mn and Fe contents satisfy a condition of 3.5≤Mn/Fe≤10.0, and the balance Al with inevitable impurities. After brazing and heat treatment, a portion except for the joint portion has ≥50% subgrain structure in an area ratio in the cross-sectional structure and the joint portion has at ≤50% subgrain structure in an area ratio in the cross-sectional structure.;COPYRIGHT: (C)2013,JPO&INPIT
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