TUBE FOR HEAT EXCHANGER

PROBLEM TO BE SOLVED: To inhibit the deterioration of brazability achieved between a tube for a heat exchanger and a joined member in the tube for the heat exchanger including a material that deteriorates the brazability.SOLUTION: An inner pillar part 22 is brazed to a tube body part 21 by a brazing...

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Bibliographische Detailangaben
Hauptverfasser:	TERAMOTO YUUKI, YAMAMOTO MICHIYASU, HOMMA NOBUHIRO, TEJIMA KIYOHIDE
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION HEAT EXCHANGE IN GENERAL HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PUNCHING METAL SOLDERING OR UNSOLDERING TRANSPORTING WEAPONS WELDING WORKING BY LASER BEAM WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To inhibit the deterioration of brazability achieved between a tube for a heat exchanger and a joined member in the tube for the heat exchanger including a material that deteriorates the brazability.SOLUTION: An inner pillar part 22 is brazed to a tube body part 21 by a brazing material 202, and flux 300 which chemically removes an oxide film on a brazing joint surface is provided on the brazing joint surface between the tube body part 21 and the inner pillar part 22. A brazing surface forming part 21a forming the brazing joint surface in the tube body part 21 is formed by a material which is other than the brazing material 202 and includes a reaction material reacting with the flux 300. The brazing material forming part 21a is coated by a coating material 400 formed by a material which is other than the reaction material.