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Incoloy 825 Bar – High-Strength Quality from a Leading Manufacturer
Introducing Incoloy 825 Bar, a high-performance product from our renowned China manufacturer. This nickel-iron-chromium alloy, enriched with molybdenum, copper, and titanium, offers exceptional corrosion resistance and strength in harsh environments. Whether you need Incoloy 825 stock for chemical processing or oil and gas applications, our factory delivers reliable, top-grade bars tailored to your needs.
Price: Contact Us for a Custom Quote
Interested in Incoloy 825 Bar pricing? Contact our sales team for a personalized quote. Pricing depends on diameter, length, and order size—contact us now for the best deal!
Specifications
- Diameter: 5 mm – 500 mm
- Length: Up to 6000 mm (custom lengths available)
- Surface Finish: Hot-rolled, cold-drawn, or polished
- Standards: ASTM B425, UNS N08825, W.Nr. 2.4858
- Tolerance: ±0.05 mm (precision options available)
Our Incoloy bar meets exacting standards!
Features (Advantages)
- Outstanding Corrosion Resistance: Excels in reducing and oxidizing acids.
- Stress Corrosion Resistance: High nickel fights chloride cracking.
- Thermal Stability: Reliable from cryogenic to 538°C (1000°F).
- Formability: Easy to shape and weld.
- Versatility: Suits Incoloy 825 nickel alloy bar in tough conditions.
Applications
- Chemical Processing: Reactors and acid evaporators.
- Oil & Gas: Piping and downhole tools.
- Marine: Fasteners resisting seawater corrosion.
- Nuclear: Fuel reprocessing components.
- Pollution Control: Scrubbers and exhaust systems.
Chemical Composition
| Element | Symbol | Weight % |
|---|---|---|
| Nickel | Ni | 38.0 - 46.0 |
| Chromium | Cr | 19.5 - 23.5 |
| Iron | Fe | ≥ 22.0 |
| 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 |
| Aluminum | Al | ≤ 0.2 |
Mechanical Properties
| Property | Units | Typical Value | Range |
|---|---|---|---|
| Tensile Strength | MPa | 650 | 586 - 690 |
| Yield Strength (0.2% Offset) | MPa | 300 | ≥ 240 |
| Elongation | % | 40 | ≥ 30 |
| Hardness (Brinell) | HB | 180 | ≤ 200 |
| Hardness (Rockwell B) | HRB | 90 | ≤ 95 |
| Modulus of Elasticity | GPa | 196 | 190 - 200 |
| Density | g/cm3 | 8.14 | 8.12 - 8.16 |
| Fatigue Strength | MPa | 350 | 300 - 400 |
| Shear Strength | MPa | 450 | 400 - 500 |
| Impact Toughness (Charpy V) | J (at 20°C) | 120 | ≥ 100 |
| Impact Toughness (Charpy V) | J (at -196°C) | 100 | ≥ 80 |
Chemical Properties
Incoloy 825 Bar resists various chemicals:
- Acids: Strong against sulfuric, phosphoric, and nitric acids.
- Alkaline Solutions: Stable in mild bases up to 538°C.
- Chlorides: Resists pitting and stress corrosion cracking.
Less effective in highly oxidizing environments like ferric chloride.
Things to Note (Limitations)
Incoloy 825 Bar has some limits:
- High Temperatures: Avoid prolonged use above 538°C (1000°F).
- Oxidizing Acids: Weaker in nitric or ferric-rich settings.
- Cold Work: Hardens quickly, needing annealing after heavy forming.
Corrosion Data
| Environment | Corrosion Rate (mm/year) | Resistance |
|---|---|---|
| Fresh Water | < 0.01 | Excellent |
| Salt Water (3.5% NaCl) | 0.02 - 0.05 | Excellent |
| Humid Air | < 0.01 | Excellent |
| Sulfuric Acid (10%) | 0.1 - 0.2 | Good |
| Nitric Acid (10%) | 0.5 - 1.0 | Moderate |
Contact us for detailed corrosion resistance data specific to your application.
Welding and Fabrication Tips
- Welding: Use TIG/MIG with ERNiCrMo-3 filler; no preheat needed.
- Forging: Heat to 870-1180°C (1600-2150°F); air cool.
- Machining: Annealed state preferred; use sharp tools for Incoloy 825 nickel alloy bar.
Our factory ensures fabrication ease.
Customer Reviews
Frequently Asked Questions
Q1: How does Incoloy 825 compare to Inconel 625?
A: Incoloy 825 excels in reducing acids (e.g., sulfuric, phosphoric) with moderate strength (650 MPa), while Inconel 625 offers broader corrosion resistance and higher strength (930 MPa). Pick 825 for acid-focused durability, 625 for versatility.
Q2: What’s the best use for Incoloy 825 Nickel Alloy Bar?
A: It’s ideal for corrosive, high-stress environments—think chemical reactors, oilfield piping, or Incoloy 825 bar in marine fasteners. It’s built for acid and chloride resistance.
Q3: Is Incoloy 825 stronger than stainless steel?
A: Yes, with tensile strength around 650 MPa vs. 316’s 515 MPa, Incoloy 825 outperforms stainless, especially in corrosion resistance against acids and chlorides.
Q4: Can Incoloy 825 bar be welded easily?
A: You bet! Use TIG or MIG with ERNiCrMo-3 filler—it welds smoothly without preheat. Incoloy 825 high nickel alloy bars are perfect for seamless assemblies.
Q5: How does Incoloy 825 Round Bar perform in seawater?
A: It’s a standout, resisting pitting and stress corrosion cracking in saltwater—making incoloy 825 round bar a top choice for marine and offshore applications.