Making the Right Mold for Aluminum Casting

Choosing the right mold for aluminum casting is really what makes or breaks your final part, whether you're working in a garage or on a massive factory floor. If you get the mold design wrong, it doesn't matter how high-quality your alloy is; you're going to end up with a piece of scrap metal that's full of holes, cracks, or surface defects. Aluminum is a bit of a picky material because it shrinks as it cools and has a nasty habit of soaking up hydrogen, so your mold needs to be smart enough to handle those quirks. ...

May 15, 2026 · 7 min · Caity Carolyn