Incoloy 825 Nickel-based Alloy Seamless Pipe For Desalination
Incoloy 825 Seamless Pipe Nickel-based Alloy Seamless Pipe For Desalination
Material
Incoloy 825 is a nickel-iron-chromium alloy enhanced with molybdenum, copper, and titanium additions. This nickel-based alloy offers outstanding resistance to a wide range of chemical environments, including reducing and oxidizing agents. Its excellent corrosion resistance, combined with good mechanical properties, makes it ideal for demanding applications such as desalination plants.
Specification
- Seamless pipes produced according to ASTM, ASME, and API standards.
- Dimensions: Available in various diameters and wall thicknesses as per client requirements.
- Heat treatment: Solution annealed at 980-1120°C followed by rapid cooling to optimize corrosion resistance.
- Testing: Includes hydrostatic testing, NDT, PMI, and dimensional inspections.
Chemical Composition
| Element | Typical Composition (wt. %) |
|---|---|
| Nickel (Ni) | 38.0 - 46.0 |
| Iron (Fe) | Balance (around 39.0 - 46.0) |
| Chromium (Cr) | 19.0 - 23.0 |
| Molybdenum (Mo) | 2.5 - 3.5 |
| Copper (Cu) | 1.5 - 3.0 |
| Titanium (Ti) | 0.6 - 1.2 |
| Carbon (C) | ≤ 0.05 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 0.5 |
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 75 ksi (515 MPa) |
| Yield Strength (0.2% offset) | ≥ 30 ksi (205 MPa) |
| Elongation (in 2 inches) | ≥ 30% |
| Hardness | ≤ 95 HRB |
| Impact Toughness | Good impact resistance at room temperature |
Key Features
- Exceptional resistance to oxidation and corrosion in harsh chemical environments including acids and seawater.
- High strength combined with excellent ductility and toughness.
- Good resistance to chloride ion stress corrosion cracking.
- Outstanding durability against sulfidation and carburization.
- Excellent weldability and fabricability.
- Maintains mechanical properties across a wide temperature range.
Equivalent Grades
| Standard | Grade/Designation |
|---|---|
| ASTM | B466 (Seamless Pipe) |
| EN | 2.4858 (Alloy 825) |
| GOST | 12Х18Н10Т (approximate equivalent) |
| JIS | SNCM 443 |
| GB (China) | 2Cr13NiMnMoN |
Application
Incoloy 825 seamless pipes are extensively used in desalination plants where high resistance to corrosion caused by seawater and harsh chemicals is critical. Common applications include:
- Heat exchangers in multi-stage flash distillation units.
- Piping systems handling brine water and concentrated salt solutions.
- Chemical processing equipment exposed to acidic or chloride-rich environments.
- Structural components in offshore and marine environments.
- Fertilizer production and hydrocarbon processing plants.


Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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