Yup, as BJ said you could try to arc weld them with 99% pure Nickel rods. It's very tricky to weld some types of cast iron.
Usually the low grade stuff made from scrap metal is almost impossible. After you've laid out the bead, the cast iron cracks due to thermal expansion/contraction.
Some parts need to be pre-heated before welding and allowed to cool slowly.
Definitely not an every day job.
Maybe the JB Weld will hold for a long time...
Warrior__
"Why can't Murphy's Law be used to my advantage??"
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