It isn't easy earning the title of Dividend King. It's even more impressive, and interesting, when a company does it in a cyclical industry.With 50 consecutive annual dividend increases a company earns the title Dividend King. Nucor (NUE -3.04%) has increased its dividend each year for 51 consecutive years. That alone should make this company of interest to a lot of investors, but there's one more factor that you need to understand -- Nucor operates in the highly cyclical steel industry. Here's why that's s ...