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Expired
Application number
GB31880/58A
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KARL SCHMIDT METALLSCHMELZWERK
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KARL SCHMIDT METALLSCHMELZWERK
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Publication of GB852662ApublicationCriticalpatent/GB852662A/en
C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
C22C—ALLOYS
C22C21/00—Alloys based on aluminium
C22C21/02—Alloys based on aluminium with silicon as the next major constituent
Abstract
A high-strength aluminium alloy for casting has a composition, in per cent by weight, in the following range:- .Si.6.0-12.0 .Zn.8.0-14.0 .Mg.0.2-1.2 .Al.and impurities the balance The alloy may also contain, as impurities or additions, one or more of the elements: .Fe.up to 1.0 .Ni.up to 0.3 .Pb.up to 0.3 .Ti.up to 0.15 .Sn.up to 0.1 .Cu.up to 2.0 .Cr.up to 0.3 The alloys harden at room temperature without thermal treatment