January 4, 2026
Massive Scalability: Once the die is built, you can produce thousands of identical parts very quickly.
Tight Tolerances: It can achieve very thin walls (down to 0.5 mm) and complex details that sand casting cannot.
Finish Quality: Parts often come out "net shape," meaning they require little to no machining afterward.
High Upfront Cost: A single steel die can cost tens of thousands of dollars, making it impractical for low-volume runs (usually under 1,000–2,000 parts).
Porosity: Small air bubbles can get trapped in the metal during the high-speed injection, which can weaken the part.
Material Limits: Not suitable for steel or iron due to their extremely high melting points.