Sanicro 69 (Tube and Pipe)

Generic Family: Nickel - Wrought - Ni-Cr Alloy • Supplied by: Sandvik Materials Technology

Sanicro 69 is an austenitic nickel-chromium-iron alloy used primarily for steam generators in nuclear power plants (PWR). For this application it is used in the 'thermally treated' condition. This treatment results in chromium carbide precipitation at the grain boundaries but no significant chromium depletion. The grade has good structure stability and good weldability.

For the steam generator application the material is characterized by:

Extremely high resistance against stress corrosion cracking in primary side PWR water conditions

Improved pitting corrosion resistance in chloride containing solutions compared with Alloy 600

Sanicro 69 is also characterized by:

Good corrosion resistance in caustic environments

Excellent performance in nitric acid solutions

Applications

Steam generators in nuclear power plants.

Units in contact with nitric acid at elevated temperatures.

Equipment requiring high resistance to oxidation, carburisation and nitriding.

Units exposed to caustic solutions at high temperature.

General Properties

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Material Status

Commercial: Active

Documents

Technical Datasheet (English)

Download Document

Availability

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

Other Properties

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

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Processing

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