Nippon Steel, Japan’s number one steel company and third ranked rival Sumitomo Metal Industries will combine to form a giant second only to ArcelorMittal, but with distant margin of almost 50% capacity In 2011, ArcelorMittal produced 97.2 million tonnes of crude steel, while Nippon Steel, ranked sixth largest, and Sumitomo Metal, ranked 27th, produced a combined 46.1 million tonnes The launch comes at a…