ALUMINUM ALLOY-CLADDED MATERIAL FOR HEAT EXCHANGER

PROBLEM TO BE SOLVED: To provide an aluminum alloy-cladded material which has superior formability, internal brazing property and internal and external corrosion resistance, and is suitably used for materials of a tube, a header plate and piping in a heat exchanger made of an aluminum alloy, particu...

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Bibliographische Detailangaben
Hauptverfasser:	SHOJI YOSHIFUSA, TANAKA HIROKAZU
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHEMISTRY 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 FERROUS OR NON-FERROUS ALLOYS HEAT EXCHANGE IN GENERAL HEATING LIGHTING MACHINE TOOLS MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an aluminum alloy-cladded material which has superior formability, internal brazing property and internal and external corrosion resistance, and is suitably used for materials of a tube, a header plate and piping in a heat exchanger made of an aluminum alloy, particularly in an automotive heat exchanger. SOLUTION: The cladded material of the aluminum alloy has a sacrificial anode material cladded on one surface of a core material and a brazing filler metal of an Al-Si alloy cladded on the other surface. The core material comprises 0.7-2.0% Si, 0.5-1.0% Fe, 0.8-1.8% Mn, 0.02-0.3% Cr, 0.02-0.3% Zr and the balance Al with impurities. The sacrificial anode material comprises 0.7-2.0% Si, 0.5-1.0% Fe, 0.8-1.8% Mn, 0.02-0.3% Cr, 0.02-0.3% Zr, 0.5-10% Zn and the balance Al with impurities. COPYRIGHT: (C)2004,JPO&NCIPI