I guess just about anything will burn in oxygen if you can get enough heat into it to ignite it, sure. That's why I said the steel won't burn, not that it can't

I guess just about anything will burn in oxygen if you can get enough heat into it to ignite it, sure. That's why I said the steel won't burn, not that it can't burn. I don't think a fire aboard a ship would be likely to manage it, although a specialist in shipboard fires may know better.