ALUMINUM ALLOY BRAZING SHEET
Disclosed is an aluminum alloy brazing sheet including a core material, a brazing filler material provided on one surface of the core material and formed of an Al-Si based alloy, and a sacrificial anode material provided on the other surface of the core material, the brazing sheet having a thickness...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Disclosed is an aluminum alloy brazing sheet including a core material, a brazing filler material provided on one surface of the core material and formed of an Al-Si based alloy, and a sacrificial anode material provided on the other surface of the core material, the brazing sheet having a thickness of less than 200 µm, wherein the core material includes more than 1.5% by mass and 2.5% or less by mass of Cu, and 0.5 to 2.0% by mass of Mn, with the balance being Al and inevitable impurities, wherein the sacrificial anode material includes 2.0 to 10.0% by mass of Zn, an Mg content in the sacrificial anode material being restricted to 0.10% or less by mass, with the balance being Al and inevitable impurities, and wherein each of the brazing filler material and the sacrificial anode material has a thickness thereof in a range of 15 to 50 µm, and the total of cladding rates of the brazing filler material and sacrificial anode material is 50% or less. |
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