ASTM 890 grade 3 stainless steel duplex (AID) has great use in the oil tube industry in Brazil and worldwide. The material of the time variation necessary to solubilize a material is important, therefore, by decreasing this time, it can become spent with an furnace. The objective of this paper is the comparison of results for the different solubilization times of ASTM 890 grade 3A molten duplex stainless steel....