7xxx series aluminum alloys – aluminium-guide.com
7xxx series alloys are the strongest among all aluminum alloys (drawing 1). However they have a big disadvantage – they are prone to stress corrosion. The main alloying elements - from 1 by 9 % цинка (чаще всего от 4 by 6 %) from 1 by 3 % magnesium and for some alloys – …
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