Any bare metal pot, other than stainless steel (and even some of them) can react with photo chemistry. Use plastic or glass.(posted 8612 days ago)As to whether the current batch is OK, the hypo clear is probably fine. The developer is testable. Just shoot a test roll of film and see how it comes out.
As for the fixer, why chance it? With my luck, the best picture I ever took, or the picture that would make me a millionaire would be the one that got messed up because of bad fixer. To me, it just isn't worth the potential problems.