The disadvantage of Brazil in the siderurgical production, although to possess the biggest mineral deposits of the planet, must it the lack of ecnológica researcht. Siderurgy was initiated early in the country, for 1590 return, when Alfonso Sardine started to explore the mines of Aroçoiaba, in São Paulo. In the Rio Grande Do Sul, the pioneirismo fit to the priest Antonio Sepp, in century 17, with activity in the mines of Camaquã. Although this precocidade, the lack of technological research reduced Brazil to the mere condition of raw material supplier. Today, the siderurgical industry is strengthenn for recouping the lost time.