Stick Welding Cast Iron Repair with Muggy Weld

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Brandon Lund

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Shared August 17, 2018

Stick Welding Cast Iron Repair with Muggy Weld. Cast iron can be tricky to repair because it's prone to cracking. Follow along as I repair a broken cast iron exhaust manifold using Muggy Weld with no pre-heat. For this demonstration I used a 2 step process starting with an electrode that can withstand the dirtiest of cast irons followed by a cap that has excellent crack resistance properties. Although I believe a good pre-heat and a slow cool down will give you the best chance for success, i wanted to see how this rod would respond in a worst case scenario such as cold welding. It handled the thermal stresses excellent without any signs of cracking. This would be a huge bonus for parts too big to get a good pre-heat / cool down or for parts that are not cost effective to be removed.

Hit the notifications! We are going to be doing some more experiments with these rods, including tig welding.

More Cast Iron Welding Videos HERE
https://www.youtube.com/watch?v=kzbcV...

Link to Welder
https://amzn.to/2MsrEWx

Link to Welding Rod Information:
https://www.muggyweld.com/

BUY Muggy Weld Rods HERE:
3/32 https://amzn.to/2SLmW6k
1/8 https://amzn.to/2M0z1ln

MIG Welding Broken Cast Iron video:
https://youtu.be/-8ct6Awo_2I

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Disclaimer: These videos are intended for entertainment purposes only and as such, you should not attempt to do any of the things you see me doing. Always read and follow the manufacturer’s safety guidelines before handling tools. Seek professional advice and training before using any welding equipment. Never operate any tool without wearing the proper personal protective equipment. Final warning, Do not attempt to do any of the things you see me doing!