So, Can I MIG Weld Cast Iron? Let's Talk Reality
If you're staring at a cracked engine block or a broken vintage vise and wondering, "can i mig weld cast iron," the short answer is a cautious yes—but it's not exactly a walk in the park. Unlike welding mild steel, where you can just pull the trigger and go, cast iron is a fickle beast that loves to crack the moment you turn your back on it. It's one of those projects that can go perfectly right or end up in a pile of shards if you don't respect the material. ...