Incoloy Alloy
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Nickel-iron-chromium alloys
Incoloy Alloy Wire
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Incoloy alloy is a high-strength nickel-iron-chromium-based high-temperature alloys, sometimes containing molybdenum, copper, and other elements to enhance specific properties. Known for their superior physical and chemical characteristics, these alloys are widely used in industries requiring corrosion resistance, oxidation resistance, and high-temperature mechanical stability.
Available grades: Incoloy 800, 800H, 800HT, 825, 925
- Plate / Sheet
- Thickness: 1mm-100mm
- Width: 500mm-2000mm
- Length: 1000mm-6000mm
- Rod
- Diameter: 5mm-500mm
- Length: 500mm-6000mm
- Tube
- Outer Diameter: 6mm-250mm
- Wall Thickness: 0.5mm-30mm
- Length: ≤ 12000mm
- Wire
- Diameter: 0.1mm-10mm
- Delivery Forms: Coiled wire or straight wire
Standard Compliant
Our production adheres to JIS G4313 standards, ensuring compliance with international quality benchmarks.
Equivalent overseas standards are listed for reference.
- ISO 6207
- ASTM B162
- GB/T 2072
Chemical Composition
Grades | Carbon (C) | Manganese (Mn) | Silicon (Si) | Sulfur (S) | Aluminum (Al) Titanium (Ti) | Chromium (Cr) | Nickel (Ni) | Iron (Fe) | Copper (Cu) | Molybdenum (Mo) | Phosphorus (P) |
≤0.1 | ≤1.5 | ≤1.0 | ≤0.015 | 0.3-1.2 | 19.0-23.0 | 30.0-35.0 | Rest | ≤0.75 | |||
0.05-1 | ≤1.5 | ≤1.0 | ≤0.015 | 0.3-1.2 | 19.0-23.0 | 30.0-35.0 | Rest | ≤0.75 | |||
0.06-0.1 | ≤1.5 | ≤1.0 | ≤0.015 | 0.85-1.2 | 19.0-23.0 | 30.0-35.0 | Rest | ≤0.75 | |||
≤0.05 | ≤1.0 | ≤0.5 | ≤0.03 | 0.8-2.2 | 19.5-23.5 | 38-46 | Rest | 1.5~3 | 2.5-3.5 | ≤0.03 | |
≤0.03 | ≤1 | ≤0.5 | ≤0.03 | 2.05-2.9 | 19.5-23.5 | 42-46 | Rest | 1.5~3 | 2.5-3.5 | ≤0.03 |
Physical & Mechanical Properties
Grades | Density (g/cm³) | Melting Point (°C) | Tensile Strength (Rm N/mm²) | Yield Strength (Rp 0.2N/mm²) | Elongation at Break A5 (%) | Brinell Hardness (HB) |
Incoloy 800 | 8.0 | 1350-1400°C | 550 | 210 | 35 | ≤363 |
Incoloy 800H | 8.0 | 1350-1400°C | 450 | 180 | 35 | |
Incoloy 800HT | 8.0 | 1350-1400°C | 500 | 210 | 35 | |
Incoloy825 | 8.1 | 1370-1400°C | 650 | 300 | 30 | ≤230 |
Incoloy925 | 8.14 | 1343°C | 650 | 300 | 30 |
Features
- FeCrAl alloy has a high melting point, typically above 1400°C, and can maintain stable performance at 1200°C for extended periods.
- At high temperatures, the aluminum in the alloy forms a dense aluminum oxide (Al₂O₃) protective film, which prevents further oxidation and enhances durability.
- The material exhibits low volatility and strong sulfur resistance, ensuring long-term stability while reducing material loss and replacement frequency.
- It has high resistivity with minimal resistance variation at elevated temperatures, making it highly suitable for heating applications.
- Compared to Nickel-Chromium alloys, FeCrAl alloy offers similar or superior performance at a lower cost, providing a more cost-effective solution for industrial heating applications.
Applications
- Chemical & petrochemical industry: Used in reactors, heat exchangers, pumps, and valves
- Energy sector: Applied in steam generators, boiler tubes, and superheaters for nuclear and thermal power plants
- Marine engineering: Used in shipbuilding, subsea pipelines, and seawater desalination systems
- Aerospace industry: Found in aircraft engines and spacecraft components
- Automotive industry: Used in exhaust systems and turbochargers for high-temperature applications
- Food processing & pharmaceuticals: Utilized in processing and handling equipment
- Medical equipment: Suitable for MRI machines and non-magnetic instruments
- Oil & gas extraction: Applied in well casings, subsea production systems, and high-pressure components
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