Duplex and super duplex steels

Components in offshore, waste water, sea water desalination and chemical plants with aggressive chloride-containing media e.g. heat exchangers, separator parts, compressor and pump components, turbine blades.

Duplex 2205 Stainless Steel – UNS S31803. High chloride stress corrosion resistance at high strength, superior to 304/316 grades in corrosion performance, excellent notch toughness. Material Designations Market Grade UNS Duplex 2205 S31803   Standards ASTM OTHERS A484 NACE MR0175

High resistance to pitting, crevice and chloride stress corrosion, high resistance to general corrosion in acids, high corrosion fatigue and erosion corrosion, good weldability, High Pitting Resistance Equivalent Number (>40). Material Designations Market Grade UNS Super-Duplex S32750   Standards ASTM ASTM OTHERS A182 A479 NACE MR0175