The Science Behind Our work Technical Resources The castings industry is all about precision, engineering, and finely-tuned science. Here are some of the resources we depend on to get your job done: Alloys Characteristics - Aluminum Alloys Chemical Composition Limits - Ingots, Sows, and Molten Aluminum Alloys Performance Chart - Zinc Alloy & Aluminum Castings Contact Us Contact Forest City Castings to learn how we provide budget-friendly, professional services like graphite permanent mold castings, sand casting, zinc and aluminum castings, and much more! Get Started