Zinc is the primary alloying aspect within the 7xxx series, generally coupled with compact quantities of other components. They're characterized by: Remedy heat treatment method: The alloy is heated to a certain temperature and held there prolonged ample to allow the alloying aspects to dissolve into the aluminum matrix. At https://aluminium-alloys67643.blogacep.com/37779238/aluminium-alloys-things-to-know-before-you-buy