319.2, 90.5% Aluminum Alloys

319 has excellent casting and machining characteristics. Corrosion resistance and weldability are very good and the mechanical properties are good. The anodized color is generally gray with a brown cast depending on the amount and ratio of silicon and copper. Typical applications for sand casting 319.0 are a wide variety of structural castings for engine parts, gas and oil pans, and general commercial applications.