Aluminum alloy clad sheet having excellent high-temperature sagging
resistance and thermal conductivity
    2.
    发明授权
    Aluminum alloy clad sheet having excellent high-temperature sagging resistance and thermal conductivity 失效
    铝合金复合板具有优异的高温下垂阻力和导热性

    公开(公告)号:US4511632A

    公开(公告)日:1985-04-16

    申请号:US399737

    申请日:1982-07-19

    摘要: A clad sheet comprising an aluminum alloy sheet having excellent high-temperature sagging resistance and thermal conductivity comprising an aluminum alloy sheet clad on at least one surface with a brazing metal, said aluminum alloy sheet consists essentially of:manganese: from 0.1 to 0.5 wt. %,silicon: from 0.1 to 0.8 wt. %,zirconium: from 0.02 to 0.2 wt. %,and, the balance being aluminum and incidental impurities.The clad sheet is particularly adapted to be used as a fin material for tubes of a heat exchanger, said aluminum alloy sheet may also contain chromium within the range of from 0.05 to 0.4 wt. % and/or at least one element selected from the group consisting of:magnesium: from 0.1 to 0.7 wt. %, and,copper: from 0.1 to 0.7 wt. %,total amount of said magnesium and said copper being up to 1.0 wt. %.

    摘要翻译: 一种包括具有优异的高温下垂阻力和导热性的铝合金板的复合板,包括在至少一个具有钎焊金属的表面上包覆的铝合金板,所述铝合金板基本上由以下组成:锰:0.1-0.5wt。 %,硅:0.1〜0.8wt。 %,锆:0.02〜0.2重量% %,余量为铝和杂质。 复合板特别适合用作热交换器管的翅片材料,所述铝合金板还可以含有0.05-0.4重量%的铬。 %和/或至少一种选自以下的元素:镁:0.1至0.7wt。 %,铜:0.1〜0.7wt。 %,所述镁和所述铜的总量高达1.0wt。 %。