View Sample Alloy Digest Data Sheet (PDF)Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.MELTRON ZW6 is a heat treatable wrought magnesium alloy containing zinc and zirconium. It is recommended for extrusions where high strength and good toughness are required.