2507 Duplex Stainless Steel.2507 IS A FERRITIC AUSTENITIC (DUAL phase) STAINLESS steel WITH EXCELLENT RESISTANCE to point corrosion, CREvice corrosion and uniform corrosion.2507 is a ferritic austenitic (dual phase) stainless steel that combines many of the most beneficial properties of ferritic and austenitic steels. Due to the high chromium and molybdenum content of the steel, it has excellent resistance to point corrosion, crevices and uniform corrosion. The dual phase microstructure ensures that the steel has high resistance to stress corrosion rupture and high mechanical strength.
2205 Duplex Stainless Steel Molybdenum duplex stainless steel has good resistance to chloride stress corrosion under low stress. Generally, 18-8 austenitic stainless steel is prone to stress corrosion fracture in neutral chloride solution above 60°C. Heat exchangers and evaporators made of this kind of stainless steel in trace chloride and hydrogen sulfide industrial media have a tendency to produce stress corrosion fracture, while duplex stainless steel has good resistance.
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