Incoloy 825 is an all-austenitic nickel-iron-chromium alloy stabilized by titanium, with copper and molybdenum added.
Incoloy 825 is a general-purpose engineering alloy that is resistant to acid and alkali metal corrosion in both oxidizing and reducing environments.
Similar Grades:
NS142 (China), NC21FeDu (France), W.N r.2.4858 NiCr21Mo (Germany) NA16 (UK) Incoloy825, UNS NO8825 (USA) NiFe30Cr21Mo3 (ISO)
Chemical Composition:
Nickel Ni: 38-46
Chromium Cr: 19.5-23.5
Iron Fe: margin
Carbon C: ≤0.025
Manganese Mn: ≤1.0
Silicon Si: ≤0.5
Molybdenum: 2.5-3.5
Copper Cu: 1.5-3.0
Cobalt Co: ≤1.0
Aluminum Al: ≤0.2
Titanium Ti: 0.6-1.2
Features:
Good resistance to stress corrosion cracking
Good resistance to pitting and crevice corrosion
Good anti-oxidation and non-oxidizing hot acid performance
It has good mechanical properties at room temperature and high temperature up to 550ºC
Certification for pressure vessels with manufacturing temperature up to 450ºC
Physical properties of Incoloy 825 alloy:
density: 8.14 g/cm3
Melting point: 1370-1400 ºC
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