HIGH STRENGTH, HEAT TREATABLE AL-ZN-MG ALUMINIUM ALLOY

摘要

A high strength aluminum alloy. is suitable for ultra thick gauge wrought product. The alloy can have 6 to 8 wt % zinc, 1 to 1.9 wt % magnesium, wherein Mg is present in an amount from (0.2 2m,- 0.3) wt. % to (0.2 Zm + 0.3) wt. %, and dispersoid forming elements such as Zr, Mn, Cr, Ti, and /or Sc with the balance made of aluminum and incidental elements and/or impurities. The alloy is suitable for many uses, including in moulds for injection-molded plastics.