Nicrofer® 3220 HP - alloy 800 HP

Generic Family: Nickel - Wrought - Ni-Fe-Cr Alloy • Supplied by: Outokumpu

Characteristics of Nicrofer 3220 HP - alloy 800 HP Nicrofer 3220 HP is an austenitic high-strength solid-solution nickel-iron-chromium alloy with controlled levels of carbon, aluminium, titanium, silicon and manganese and increased content of (Al + Ti).

A special solution anneal treatment (with grain sizes = 90 µm/ASTM No. 4) gives highest creep-rupture strength above 700 °C (1290 °F) due to the precipitation of TiC.

Below 700 °C (1290 °F), gamma prime (?´) precipitates combined with loss of ductility.

Nicrofer 3220 HP is characterized by:

excellent creep strength at temperature above 700 °C (1290 °F) However, for applications where frequent excursions to temperatures lower than 700 °C (1290 °F) during service cannot be excluded or parts of the material are permanently exposed to a temperature below 700 °C (1290 °F), the use of Nicrofer 3220 H is recommended.

good resistance to reducing, oxidizing and nitriding atmospheres and to atmospheres which alternate between reducing and oxidizing conditions

metallurgical stability in long-term application at high temperatures

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

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

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Processing

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