In demanding industrial environments, Incoloy 825 Alloy holds strategic importance.Conventional stainless steel pipes and stainless steel pipe fittings often prove inadequate in such conditions. Incoloy 825 provides an exceptional solution for severe corrosive environments.
What is Incoloy 825 Alloy | UNS N08825
Incoloy 825 is a nickel-iron-chromium alloy. It is a highly engineered material. Its composition includes molybdenum, copper, and titanium. This unique combination gives it incredible power. It can resist both oxidizing and reducing acids. Its stabilized composition also makes it resistant to post-weld corrosion.
Key Performance Advantages of Incoloy 825 Alloy
Incoloy 825 alloy is specifically engineered to withstand diverse chemical environments, delivering exceptional performance in both oxidizing and reducing acid conditions.
The alloy’s high nickel content provides robust resistance to stress corrosion cracking, particularly critical in chlorine-rich environments, effectively preventing catastrophic failure under stress.
A stable composition ensures material integrity post-welding, effectively resisting sensitization and guaranteeing welded joints maintain full corrosion resistance.
The presence of molybdenum and chromium elements enables resistance to pitting corrosion and crevice corrosion, protecting material integrity in stagnant areas—critical for pipe fittings and flanges.
Chemical Composition
| Element | Ni | Cr | Fe | Mo | Cu | Ti | C | Al |
|---|---|---|---|---|---|---|---|---|
| Content (wt%) | 38.0 – 46.0 | 19.5 – 23.5 | Balance | 2.5 – 3.5 | 1.5 – 3.0 | 0.6 – 1.2 | 0.05 Max | 0.2 Max |
Mechanical Properties
| Property | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Hardness | Density |
|---|---|---|---|---|---|
| Value (Typical) | ≥585MPa(85ksi) | ≥205MPa(30ksi) | ≥30 | ≤210 | 8.14g/cm³ |
Where You'll Find Incoloy 825 Alloy
- Chemical Plants: It is used for handling strong acids. It resists boiling sulfuric acid. This extends equipment lifespan significantly.
- Pollution Control: It is deployed in systems that clean up industrial pollution. It resists the strong acids found in flue gases.
- Oil & Gas: This alloy is the material of choice for sour gas. It resists stress corrosion cracking. This is crucial for downhole equipment.
- High-Temperature Systems: It maintains its properties at high temperatures. This makes it a great choice for parts that get hot.
- Piping Systems: For critical stainless steel pipe fittings, Incoloy 825 provides extreme corrosion resistance. It keeps your system working perfectly.
Sourcing and Fabricating Incoloy 825 Alloy
Always ask for a Material Test Report (MTR). This proves the material is what it should be.
Work with specialized suppliers of stainless steel pipe and fittings. They understand these alloy steels and can ensure proper fabrication and quality control,and are ISO 9001 and CE-PED certified.
This alloy needs specific welding methods. Make sure your team knows how to handle it.
It’s more expensive upfront. But it lasts much longer. This saves you money in the long run.
Contact Us
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- https://www.kaysuns.com/
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