Incoloy 825 Nickel Alloy

Incoloy 825 Nickel Alloy
Incoloy 825 Nickel Alloy
Incoloy 825 Nickel Alloy
Incoloy 825 Nickel Alloy
Incoloy 825 Nickel Alloy
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The Incoloy 825 nickel alloy has excellent resistance to stress corrosion cracking and to pitting and crevice corrosion. In addition, the Incoloy alloy 825 is especially resistant to reducing and oxidizing acids such as sulfuric acid, phosphoric acid and nitric acid, to organic acid, to alkalis including NaOH and KOH, and to hydrochloric acid.

The resistance of the nickel-iron-chromium alloy 825 to general and localized corrosion under diverse environments gives it unexpected usefulness. Applications include chemical processing and pollution control equipment, oil and gas well pipe, nuclear fuel recovery and pickling operation facilities.

Specification of Incoloy 825 Nickel Alloy
UNS W. Nr
N08825 2.4858
Chemical Compositions
Composition Ni Cr Fe C Mn Si Cu Mo Al Ti P S
Content (%) Min. 38 19.5 Bal. 1.5 2.5 0.6
Max. 46 23.5 0.05 1 0.5 3 3.5 0.2 1.2 0.03 0.03
Mechanical Properties (Minimum value at 20℃)
Tensile Strength (σb/MPa) Yield Strength (σp0.2/MPa) Elongation (σ5/%)
550 220 30
Product Forms and Standards
Bar Forging Sheet/Strip Wire Pipe
ASTM B408 ASTM B564 ASTM B409 ASTM B408 ASTM B407
ASTM B514
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