Incoloy 825 Nickel Alloy
INCOLOY 825 （UNS N08825） is a titanium-stabilized nickel-iron-chromium based austenitic alloy, characterized by excellent corrosion resistance (especially in acidic environments) and moderate strength, and is widely used in harshly corrosive scenarios such as chemical industry, metallurgy, and marine engineering.
Chemical Composition
|
|
Ni |
C |
Si |
Mn |
S |
Cr |
Fe |
Cu |
Mo |
Nb |
|
Min |
32 |
- |
- |
- |
- |
19 |
Rem |
3 |
2 |
- |
|
Max |
38 |
0.07 |
1 |
2 |
0.035 |
21 |
Rem |
4 |
3 |
1 |
Material Properties
|
Density |
Melting Point |
Minimum Mechanical Properties of the Alloy at Room Temperature |
||
|
Tensile Strength |
Yield Strength |
Elongation |
||
|
g/cm3 |
℃ |
Rm N/mm2 |
Rp0.2 N/mm2 |
A5% |
|
8.00 |
1350-1400 |
550 |
220 |
30 |
Standards
ASTM B511 ASTM B512
Feature
Certified quintuple performance:
1. SCC resistance
2. Pitting/crevice corrosion resistance
3. Oxidation/non-oxidizing hot acid resistance
4. Mechanical properties (RT~550°C)
5. Pressure vessel certification (≤450°C)
Applications
• Acid-handling reactors
• Marine heat exchangers
• Medical implants
• Flue gas scrubbers
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