Incoloy Alloy

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Nickel-iron-chromium alloys

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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

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

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.

Product Forms

Incoloy Alloy Plate/Sheet

Incoloy Alloy Rod

Incoloy Alloy Strip

Incoloy Alloy Wire

Incoloy Alloy Tube

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

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)
Incoloy 800	≤0.1	≤1.5	≤1.0	≤0.015	0.3-1.2	19.0-23.0	30.0-35.0	Rest	≤0.75
Incoloy 800H	0.05-1	≤1.5	≤1.0	≤0.015	0.3-1.2	19.0-23.0	30.0-35.0	Rest	≤0.75
Incoloy 800HT	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
Incoloy 825	≤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
Incoloy 925	≤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

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