Hephaestus would be the best deity to call upon when dealing with
Not knowing what the steel is can be detrimental.
If the ring is stainless, or a form of cast iron, your job will be
At best I think you could do is braze the steel, or you could use a
hard silver solder (not the jewellers kind, the plumbers kind) that
you can buy from the hardware store.
Regards Charles A