ISTANBUL (Turkey), May 16 (SeeNews) – Moody’s Investors Service said it has upgraded the corporate family rating (CFR) on Turkish steel producer Eregli Demir ve Celik Fabrikalari T.A.S. [BIST:EREGL], or Erdemir, to Ba3, the probability of default to Ba3-PD and the national scale rating to Baa1.tr.