The fortunes of steelmaking have hardened since Lakshmi Mittal, chairman and CEO of ArcelorMittal, came to Calvert two years ago as part of a renaming ceremony for his new south Alabama complex. In a 50-50 joint venture, ArcelorMittal and Nippon Steel & Sumitomo Metal Corp. bought the facility for $1.55 billion from ThyssenKrupp AG, which…
