Corus refused to confirm or deny the information about the talks but admitted that it was "looking at opportunities in low-cost, high-growth countries like Russia and Brazil."
Earlier Evraz said it was "aware of certain rumours circulating in the market relating to potential transactions in its shares and ... of its disclosure obligations as a listed company".
Evraz also declined to comment on a report that Roman Abramovich had been in talks about buying a stake in the steelmaker.
