How to Identify Cast Iron Ductile or Grey Iron

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=zn5QMt-byyY

I have three different ways I like to identify cast iron. It's always hard to tell by just looking at it. I use a drill, grinder, center punch, and hammer. It's important to know what kind of cast iron your're working with because each requires a different weld process to fix. Let me know if you want a video about the fix process for both. Thanks for watching and I can't wait to show you whats next. • US Store: • https://fireballtool.com/ • EU Store: • http://fireballeu.com/

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