Nickel-Iron-Chromium Alloy

Incoloy 825

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Incoloy 825 is a titanium-stabilized, fully austenitic nickel-iron-chromium alloy with the addition of copper and molybdenum. It is a versatile engineering alloy that provides corrosion resistance in both oxidizing and reducing environments, making it highly effective against acid and alkali attacks. The alloy offers excellent stress corrosion cracking resistance, pitting and crevice corrosion resistance, and superior oxidation resistance. It maintains strong mechanical properties at both room temperature and elevated temperatures up to 550°C, ensuring reliability in demanding industrial applications.

Specifications
  • Plate/Sheet Plate/Sheet
    Thickness: 1mm-100mm
    Width: 500mm-2000mm
    Length: 1000mm-6000mm
  • Rod Rod
    Diameter: 5mm-500mm
    Length: 500mm-6000mm
  • Tube Tube
    Outer Diameter: 6mm-250mm
    Wall Thickness: 0.5mm-30mm
    Length: ≤ 12000mm
  • Wire Wire
    Diameter: 0.1mm-10mm
    Delivery Forms: Coiled wire or straight wire
Chemical Composition
  • Carbon (C): ≤0.05
  • Manganese (Mn): ≤1.0
  • Silicon (Si): ≤0.5
  • Sulfur (S): ≤0.03
  • Aluminum (Al)+Titanium (Ti): 0.8-2.2
  • Chromium (Cr): 19.5-23.5
  • Nickel (Ni): 38-46
  • Iron (Fe): Rest
  • Copper (Cu): 1.5-3
  • Molybdenum (Mo): 2.5-3.5
  • Phosphorus (P): ≤0.03
Physical & Mechanical Properties
  • Density (g/cm³): 8.1
  • Melting Point (°C): 1370-1400°C
  • Tensile Strength (Rm N/mm²): 650
  • Yield Strength (Rp 0.2N/mm²): 300
  • Elongation at Break A5 (%): 30
  • Brinell Hardness (HB): ≤230