Fourth-quarter steel shipments from ArcelorMittal’s NAFTA segment fell 5.8% year on year, excluding the impact of prior-year shipments from the former ArcelorMittal USA operations, it said Feb. 10. NAFTA crude steel production totaled 2 million mt in Q4, down 0.7% from Q4 2020, and also when adjusted to exclude US operations it sold to Cleveland-Cliffs in December 2020. Crude steel…