High Temperature Strength 1,370°C Nickel Based Alloy Incoloy 800 Wire For Nuclear Industry
Product Introduction
Incoloy 800 wire is a high-performance nickel based alloy wire with excellent high-temperature corrosion resistance and good mechanical properties. Its chemical composition mainly includes nickel, chromium, and iron, with nickel content as high as 30% to 35%, chromium content as 19% to 23%, iron content as 39.5% to 46%, and small amounts of copper, aluminum, titanium, and other elements. The combination of these components endows Incoloy 800 wire with excellent oxidation resistance and corrosion resistance, making it perform well in high-temperature oxidation and sulfurization environments. Incoloy 800 wire maintains good oxidation resistance even at temperatures up to 1100 ° C and can work for extended periods of time at temperatures up to 800 ° C. In addition, it also exhibits good toughness at low temperatures, maintaining its ductility and impact strength even at -196 ℃. Incoloy 800 wire is widely used in fields such as chemical, petroleum, power, and nuclear energy, for manufacturing heating elements, chemical equipment, heat treatment equipment, etc. In the field of nuclear energy, Incoloy 800 wire can be used to manufacture high-temperature equipment in nuclear power evaporation heat transfer tubes and ultra supercritical generator sets. Its excellent corrosion resistance and high temperature strength make it an ideal choice in these harsh environments.
Parameter
Main ingredients: nickel (30-35%), iron (39.5% minimum content), chromium (19-23%), copper (0.75% maximum content), aluminum (0.15-0.60%), carbon (0.1% maximum content)
Density: 7.94 g/cm3
Melting point: 1350-1400 degrees Celsius
Yield strength: ≥240 MPa
Tensile strength: ≥600 MPa
Thermal expansion coefficient: 13.9 x 10^-6/degrees Celsius (range 20-100 degrees Celsius)
| Incoloy | Ni | Cr | Fe | C | Mn | S | Si | Cu | Al | Ti |
| 800 | 30.0-35.0 | 19.0-23.0 | 39.5min | 0.10max. | 1.50max. | 0.015max. | 1.0max. | 0.75max. | 0.15-0.60 | 0.15-0.60 |
| AMS Number | Alloy | Type | UNS | Cross Ref. Spec | Misc./Shape |
| AMS 5766 Bar | Incoloy 800 | Nickel | N08800 | - | Bar |
| AMS 5766 Custom Tube | Incoloy 800 | Nickel | N08800 | - | Custom Tube |
| AMS 5871 Plate | Incoloy 800 | Nickel | N08800 | - | Plate |
| AMS 5871 Sheet | Incoloy 800 | Nickel | N08800 | - | Sheet |
| AMS 5871 Strip | Incoloy 800 | Nickel | N08800 | - | Strip |
Specific Applications
- Steam generator tubes:Incoloy 800 wire is used to manufacture steam generator tubes for nuclear power plants, which need to operate for long periods of time in high temperature, high pressure and corrosive environments. The corrosion resistance and high temperature strength of Incoloy 800 make it an ideal material, which can effectively extend the service life of the equipment and reduce the frequency of maintenance and replacement.
- High temperature gas-cooled reactor and cold fast reactor heat exchangers:In the nuclear industry, high temperature gas-cooled reactor and cold fast reactor heat exchangers need to operate for long periods of time in extreme environments. Parts made of Incoloy 800 wire can effectively resist the erosion of high temperature and corrosive media, ensuring the long-term stable operation of the equipment.
- Nuclear reactor components:Incoloy 800 wire is used to manufacture various components in nuclear reactors, such as fuel rod casings, control rod drive mechanisms, etc. These components need to operate for long periods of time in high temperature, high pressure and radiation environments, and the high temperature strength and corrosion resistance of Incoloy 800 make it an ideal material.
- Nuclear waste treatment equipment:Incoloy 800 wire is used to manufacture nuclear waste treatment equipment, which needs to operate for long periods of time in high temperature and corrosive environments. The corrosion resistance and high temperature strength of Incoloy 800 enable it to effectively resist chemical attack during waste treatment, ensuring the safety and reliability of equipment.
Advantages and Characteristics
- Low magnetism:Incoloy 800 wire has low magnetic permeability and remains non-magnetic even at low temperatures, which gives it a unique advantage in applications where magnetic field interference needs to be avoided.
- Good processing performance:Incoloy 800 wire has good processability and is suitable for various common processing methods, including turning, milling, drilling and grinding. However, due to its high hardness and strength, special tools and equipment are required during processing to avoid excessive wear and tear that affects processing efficiency.
- Excellent oxidation resistance:Incoloy 800 wire has excellent oxidation resistance in high temperature environments, and can effectively resist high temperature corrosion forms such as oxidation, sulfidation and carbonization, ensuring long-term stable operation of equipment in high temperature environments.
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Related Questions and Answers
What is the melting point of Incoloy 800 Wire?
The melting temperature range of Incoloy 800 Wire is 1350℃-1400℃.
How is the corrosion resistance of Incoloy 800 Wire?
Incoloy 800 Wire performs well in a variety of corrosive media, especially in aqueous corrosive conditions, nitric acid, organic acid and other environments, and has good corrosion resistance.
What are the mechanical properties of Incoloy 800 Wire?
The yield strength of Incoloy 800 Wire is ≥912 MPa, the tensile strength is ≥497 MPa, the elongation is ≥42%, and the Brinell hardness is ≤312 HBW.
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