ALUMINUM ALLOY BRAZING SHEET

PROBLEM TO BE SOLVED: To provide an aluminum alloy brazing sheet excellent in brazing property.SOLUTION: There is provided an aluminum alloy brazing sheet 1 in which a brazing filler metal 3 composed of Al-Si based alloy is clad on at least one surface of a core material 2, wherein the core material...

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Bibliographische Detailangaben
Hauptverfasser:	KIMURA SHINHEI, UEDA TOSHIKI, IZUMI TAKAHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS 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 brazing sheet excellent in brazing property.SOLUTION: There is provided an aluminum alloy brazing sheet 1 in which a brazing filler metal 3 composed of Al-Si based alloy is clad on at least one surface of a core material 2, wherein the core material 2 contains by mass%, >0.3% to ≤1.0% Si, >0.6% to ≤2.0% Mn, >0.3% to ≤1.0% Cu, 0.15-0.5% Mg, >0.05% to ≤0.25% Ti and the balance comprising Al and inevitable impurities, wherein Mg content in the brazing filler metal 3 excluding the surface layer part of the brazing filler metal is ≤0.07 mass%, and wherein after brazing at 600°C for 3 min, a crystal grain diameter at plate thickness-direction center part of the core material 2 is ≥50 μm in a rolling direction.