UREA 25.22.2

Generic Family: Steel - Wrought - Stainless • Supplied by: Industeel

Industeel UREA 25.22.2 chemical composition has been optimised for specific uses in Urea plants. It is a 310L modified austenitic stainless steel with low carbon, low silicon and high nitrogen additions in order to stabilize and strengthen the austenitic phase.

The alloy is designed to obtain a fully austenitic stainless steel free of intermetallic phases as intergranular carbide precipitations which affect drastically the corrosion resistance properties of the alloy in urea containing solutions. The ferrite level is kept under 0.5% in the solution annealing and water quenched conditions.

The alloy is particularly designed for improved corrosion resistance properties in urea carbonate environments including strippers. The grade is also well designed for resistance in wet corrosive conditions due to its high contents of chromium, molybdenum and nitrogen (PREN > 33).

General Properties

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Material Status

Commercial: Active

Documents

Technical Datasheet (English)

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Availability

Africa & Middle East, Asia Pacific, Europe, Latin America, North America

Other Properties

Applicable Specifications, Forms Available, Metal Type, Type Analysis, Density, Tensile Strength (Ultimate), Tensile Strength (Yield), 0.2%, Tensile Elongation (Yield), Tensile Modulus, Shear Modulus, Mean Specific Heat, Mean CTE, Thermal Conductivity, Electrical Resistivity

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Processing

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