Sand Casting vs. Die Casting vs. Investment Casting: Choosing the Right Process for Your Parts Introduction: Understanding the Three Key Casting Methods Casting plays a pivotal role in modern manufacturing, especially for producing complex metal parts at scale—and Welleshaft’s custom metal casting services ensure each solution is tailored to your design, material, and volume requirements.. Among the most widely used methods are sand casting, die casting, and investment casting. Each method has its unique advantages, material compatibility, cost structures, and precision levels. At Welleshaft, our clients frequently ask: Which metal casting process is right for my application? Whether you’re producing high-precision aerospace components, low-volume prototypes, or large, heavy industrial machinery, […]