We Offer High Quality Super Duplex Stainless Steel Products. Alloy Saf 2507 (uns S32750) is a Super Duplex Stainless Steel with 25% Chromium, 4% Molybdenum, and 7% Nickel Designed for Demanding Applications Which Require Exceptional Strength and Corrosion Resistance, such as Chemical Process, Petrochemical, and Seawater Equipment. Our Duplex Stainless Steel Products Has Excellent Resistance to Chloride Stress Corrosion Cracking, High Thermal Conductivity, and a Low Coefficient of Thermal Expansion. the High Chromium, Molybdenum, and Nitrogen Levels Provide Excellent Resistance to Pitting, Crevice, and General Corrosion.