Posted by Clint Dixon [188.8.131.52] on Sunday, January 31, 2021 at 17:55:07 :
In Reply to: Broken manifold, why? posted by Greg Coffin [184.108.40.206] on Friday, January 29, 2021 at 21:54:04 :
The welders where I work weld a lot of cast iron by either stick or TIG. I have not personally seen them MIG weld cast. I know a lot of people will braze cast. I have no preference on any of the above, but I agree that a slow preheat and a very slow cool down is the key. Where I work, they have built a special heater out of old natural gas furnace parts. Their cool down container is filled with floor dry.
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