Incoloy 925
Incoloy 925 (N08925) alloy is a nickel base alloy containing molybdenum and copper with excellent hot and cold work properties. Precipitation hardening, creep resistant steel. The alloy has high yield strength and tensile strength below 650°C, good oxidation resistance below 760°C, and is stable for long-term use.
Incoloy 925 data sheet
| Alloy | GB (China) | UNS (USA) | SEW VDIUV (Germany) | BS (UK) | AFNOR (France) |
|---|---|---|---|---|---|
| Incoloy 925 | NS142 | N09925 | W.Nr. 2.4858, X1NiCrMoAlTi32-20 | NA 16 | Z8NC32.21 |
Incoloy 925 Production Standard
| Alloy | ASTM Standards for Seamless Pipe and Tube | ASTM Standards for Welded Pipe and Tube | ASTM Standards for Plate, Sheet, and Strip | ASTM Standards for Forging |
|---|---|---|---|---|
| Incoloy 925 | ASTM B677 / B163 | ASTM B704 / B705 | ASTM B424 | ASTM B564 |
Incoloy 925
Incoloy 925 supplier in China——Huaxiao-alloy
Incoloy 925 Production Forms
| Product | Condition |
|---|---|
| Sheet | hot or cold rolled, bright/solution annealed, pickled or de-scaled |
| Strip | cold rolled, bright/solution annealed, pickled or de-scaled |
| Pipe | longitudinally welded or seamless, solution annealed, pickled or de-scaled |
| Bar | hot rolled or forged, solution annealed, pickled or de-scaled |
| Wire | rolled or drawn, solution annealed, pickled or de-scaled |
| Forging | solution annealed, machined on request |
| Welding filler metal | welding bar, wire electrode, coated bar electrode |
Chemical composition of Incoloy 925(%)
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 42.0-46.0 |
| Chromium (Cr) | 19.5-23.5 |
| Iron (Fe) | 22.0 min |
| Molybdenum (Mo) | 2.5-3.5 |
| Copper (Cu) | 1.5-3.0 |
| Titanium (Ti) | 1.9-2.4 |
| Aluminum (Al) | 0.15-0.50 |
| Manganese (Mn) | 0.50 max |
| Silicon (Si) | 0.50 max |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.03 max |
| Phosphorus (P) | 0.03 max |
Incoloy 925 supplier in China——Huaxiao-alloy
Physical properties of Incoloy 925
| Property | Value |
|---|---|
| Density | 8.14 g/cm³ (0.294 lb/in³) |
| Melting Range | 1343-1377 °C (2450-2510 °F) |
| Specific Heat Capacity | 460 J/kg·°C (0.110 Btu/lb·°F) at 20°C (68°F) |
| Thermal Conductivity | 11.1 W/m·K (77.1 Btu·in/ft²·h·°F) at 20°C (68°F) |
| Electrical Resistivity | 1.22 µΩ·m (480 µΩ·in) at 20°C (68°F) |
| Modulus of Elasticity | 206 GPa (29800 ksi) |
| Poisson’s Ratio | 0.31 |
| Hardness | Rockwell B (HRB) 80 |
Mechanical properties of Incoloy 925
| Property | Value |
|---|---|
| Tensile Strength | 860 MPa (125 ksi) |
| Yield Strength (0.2% Offset) | 580 MPa (84 ksi) |
| Elongation | 25% |
| Reduction of Area | 35% |
| Hardness | Rockwell B (HRB) 80 |
Incoloy 925 supplier in China——Huaxiao-alloy
Applications of Incoloy 925
Incoloy 925 is a nickel-based alloy known for its excellent combination of high strength, corrosion resistance, and durability under severe service conditions. These unique characteristics make it stand out compared to other materials. Here are some key applications of Incoloy 925, emphasizing its distinct features:
1. Oil and Gas Industry
- Downhole and Surface Gas Well Components: Incoloy 925 is highly resistant to sulfide stress cracking and general corrosion in sour gas environments. This makes it ideal for use in downhole and surface gas well components, such as tubing, valves, hangers, and packers.
- Completion Equipment: The alloy’s strength and resistance to both high pressure and corrosive environments ensure the reliability and longevity of completion equipment.
2. Chemical Processing
- Heat Exchangers and Valves: The superior resistance to oxidation and general corrosion makes Incoloy 925 suitable for heat exchangers and valves in chemical processing industries. It can withstand various corrosive chemicals, enhancing the equipment’s life span.
- Fasteners and Springs: In environments with high temperatures and corrosive conditions, Incoloy 925’s mechanical properties ensure that fasteners and springs maintain their integrity and functionality.
3. Marine Applications
- Marine Fasteners and Fittings: Incoloy 925 exhibits excellent resistance to seawater and marine environments, making it ideal for marine fasteners, fittings, and other critical components that require both strength and corrosion resistance.
- Pumps and Propeller Shafts: The alloy’s durability in saltwater and brine solutions ensures that pumps and propeller shafts operate efficiently without frequent replacements.
4. Aerospace Industry
- Engine Components: The high strength and oxidation resistance of Incoloy 925 make it suitable for engine components that are exposed to high temperatures and oxidative environments.
- Structural Applications: The alloy’s excellent mechanical properties and resistance to stress-corrosion cracking contribute to its use in various structural applications within the aerospace sector.
5. Power Generation
- Nuclear Power Plants: Incoloy 925’s resistance to high temperatures, radiation, and corrosive environments makes it an excellent choice for components in nuclear power plants, including reactor core components and steam generators.
- Turbine Blades: The alloy’s ability to maintain high strength and resist oxidation at elevated temperatures ensures the reliability of turbine blades in power generation.
FAQs about Incoloy 925
INCOLOY 925 is a nickel-based alloy that contains chromium, iron, and molybdenum with the addition of titanium and aluminum. This alloy is specifically designed to offer excellent resistance to corrosion and oxidation while maintaining high strength. It is particularly noted for its resistance to stress-corrosion cracking and general pitting in chloride environments, making it ideal for use in the oil and gas industry, as well as in marine and chemical processing applications.
INCOLOY is a trademarked name for a family of nickel-iron-chromium alloys designed by Special Metals Corporation. These alloys are engineered to provide exceptional resistance to oxidation and corrosion at high temperatures, as well as good mechanical properties. INCOLOY materials are widely used in applications involving exposure to high temperatures and corrosive environments, such as in the chemical processing, petrochemical, power generation, and aerospace industries.
Performance Comparison:
- Corrosion Resistance: INCOLOY alloys generally offer superior corrosion resistance compared to copper, especially in high-temperature and corrosive environments.
- Temperature Stability: INCOLOY maintains its strength and corrosion resistance at much higher temperatures than copper.
- Mechanical Strength: INCOLOY alloys typically have higher mechanical strength than copper.
Application Suitability:
- INCOLOY: Better suited for high-temperature applications and environments with aggressive corrosion (e.g., chemical processing, oil and gas).
- Copper: More commonly used where excellent electrical and thermal conductivity are required (e.g., electrical wiring, heat exchangers).
Corrosion Resistance:
- INCOLOY: Excellent resistance to high-temperature oxidation and corrosion, particularly in chloride-containing environments.
- Titanium: Exceptional corrosion resistance in a wide range of environments, including seawater and many industrial chemicals.
Mechanical Properties:
- INCOLOY: High strength at elevated temperatures and good resistance to thermal fatigue.
- Titanium: High strength-to-weight ratio, excellent toughness, and good fatigue resistance.
Application Suitability:
- INCOLOY: Preferred in applications requiring high-temperature performance and resistance to aggressive corrosive environments.
- Titanium: Preferred in applications requiring lightweight, strong materials with exceptional corrosion resistance (e.g., aerospace, marine).
Cost:
- Titanium is generally more expensive than INCOLOY due to its more complex extraction and processing requirements.
No, INCOLOY and Monel are not the same. They are both families of nickel alloys but have different compositions and properties.
- INCOLOY: Nickel-iron-chromium alloys designed for high-temperature and corrosion resistance.
- Monel: Primarily nickel-copper alloys with excellent resistance to corrosion in a wide range of environments, particularly seawater and hydrofluoric acid.
No, Inconel and INCOLOY are not the same, although they are both families of nickel alloys developed by Special Metals Corporation.
- Inconel: Nickel-chromium-based superalloys known for their high strength and oxidation resistance at high temperatures. They are commonly used in extreme environments such as jet engines, gas turbines, and chemical plants.
- INCOLOY: Nickel-iron-chromium alloys designed to offer excellent corrosion resistance at high temperatures and good mechanical properties, used in applications like chemical processing, petrochemical, and power generation.
Conclusion
Incoloy 925 is a high-performance nickel-based alloy known for its exceptional corrosion resistance, high strength, and stability in extreme conditions. These properties make it ideal for demanding applications in the oil and gas industry, chemical processing, and marine environments, where it effectively resists sulfide stress cracking and general corrosion.
Specialized suppliers like Huaxiao-Alloy provide high-quality Incoloy 925 to ensure industries have reliable materials for severe conditions. Incoloy 925’s unique properties make it a critical solution for advanced material requirements in various critical industries.
How to choose a Incoloy 925 supplier？
Selecting a reliable supplier for Incoloy 925 is essential to ensure you receive high-quality material that meets your specific requirements. Here are the key factors to consider when choosing a supplier:
1. Reputation and Experience
- Industry Experience: Look for suppliers with extensive experience in producing and supplying Incoloy 925. A long-established supplier is likely to have a proven track record.
- Reputation: Check the supplier’s reputation through customer reviews, testimonials, and industry references. A reputable supplier will have positive feedback and endorsements.
2. Quality Assurance
- Certifications: Ensure the supplier has relevant certifications such as ISO 9001 for quality management. Certifications indicate compliance with high standards.
- Testing and Inspection: Inquire about the supplier’s testing and inspection processes. They should perform rigorous testing to verify the material’s properties and compliance with specifications.
3. Product Range and Availability
- Inventory: A good supplier should have a wide range of Incoloy 925 products in various forms (sheets, plates, pipes, bars, etc.) and sizes to meet your needs.
- Lead Times: Check the supplier’s ability to deliver products within your required timeframe. Reliable suppliers maintain adequate stock levels and efficient logistics.
4. Technical Support and Expertise
- Technical Support: Choose a supplier that offers technical support and guidance. They should assist with material selection, application advice, and troubleshooting.
- Expertise: The supplier should have knowledgeable staff who understand the properties and applications of Incoloy 925.
5. Compliance and Standards
- Standards Compliance: Ensure the supplier’s products comply with international standards such as ASTM, ASME, DIN, and others relevant to your industry.
- Traceability: The supplier should provide full traceability of their products, including documentation of the material’s origin, production, and testing.
6. Customer Service
- Responsiveness: Evaluate the supplier’s responsiveness to inquiries and their ability to provide prompt and clear communication.
- After-Sales Support: Good suppliers offer robust after-sales support, including handling any issues that arise post-delivery.
7. Price and Value
- Competitive Pricing: Compare prices from different suppliers, but be wary of prices that seem too low. Extremely low prices may indicate compromised quality.
- Value for Money: Consider the overall value, including quality, service, and support, rather than just the lowest price.
8. Sustainability and Ethical Practices
- Sustainable Practices: Consider suppliers who adopt sustainable and environmentally friendly practices in their operations.
- Ethical Standards: Ensure the supplier adheres to ethical business practices, including fair labor practices and corporate social responsibility.
