It will just rust again with spray cans. You need a decent 2k primer to protect the steel. Ideally an Epoxy primer.
I was thinking of using a primer but, given my general incompetence, I think I'll be better getting it done properly.
@Big_Ted started
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It will just rust again with spray cans. You need a decent 2k primer to protect the steel. Ideally an Epoxy primer.