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Products Description
Ni95Al5 thermal spray wire plays an important role in the energy field, and its excellent high-temperature performance and corrosion resistance make it an ideal choice for protecting energy equipment. In high-temperature equipment such as gas turbines, burners, and boilers, Ni95Al5 coatings can effectively improve their heat and corrosion resistance, extend the service life of the equipment, and improve performance.
In energy production and utilization, high-temperature equipment often operates in extreme environments, enduring the effects of high temperature, high pressure, and corrosive atmospheres. The protective coating formed by Ni95Al5 thermal spray wire can effectively resist these erosions, protect equipment from oxidation, corrosion, and wear damage, and ensure long-term stable operation of the equipment.
In gas turbines, Ni95Al5 coatings are usually applied to protect key components such as blades and combustion chambers, in order to improve their heat resistance and oxidation resistance, thereby improving the efficiency and reliability of gas turbines. In burners and boilers, Ni95Al5 coating can effectively prevent high-temperature oxidation corrosion, prolong its service life, and reduce maintenance costs and downtime in energy production processes.
Due to its excellent high-temperature performance, corrosion resistance, and mechanical properties, Ni95Al5 thermal spray wire has been widely used in the energy field, providing reliable protection for the safe operation and efficient production of energy equipment.
Ni95Al5 is an alloy containing 95% nickel and 5% aluminium. Its main areas of application are thermal spraying and high temperature resistant coatings.
Key Characteristics of Ni95Al5 Wire.
High Temperature Resistance: Ni95Al5 has good high temperature resistance and is suitable for thermal spraying and corrosion resistant coatings in high temperature environments.
Oxidation and Corrosion Resistance: Due to the aluminium content, the alloy forms a protective layer of aluminium oxide at elevated temperatures, which enhances its oxidation and corrosion resistance.
Thermal Spraying Applications: Widely used in thermal spraying processes to form high temperature and corrosion resistant coatings on a variety of substrates.
Thermal spray wire series: Inconel 625, 45CT, Ni95Al5, Monel 400, Monel K500, Hastelloy C276, Cr20Ni80, pure zinc wire
Specification
Item | Inconel 625 | Ni95Al5 | 45CT | Monel 400 | Monel K500 | HC-276 | Cr20Ni80 |
C | ≤0.05 | ≤0.02 | 0.01-0.1 | ≤0.04 | ≤0.25 | ≤0.02 | ≤0.08 |
Mn | ≤0.4 | ≤0.2 | ≤0.2 | 2.5-3.5 | ≤1.5 | ≤1.0 | ≤0.06 |
P | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.02 |
S | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 |
Si | ≤0.15 | ≤0.2 | ≤0.2 | ≤0.15 | ≤0.5 | ≤0.08 | 0.75-1.6 |
Cr | 21.5-23 | ≤0.2 | 42-46 | -- | -- | 14.5-16 | 20-23 |
Ni | rest | rest | rest | 65-67 | rest | rest | rest |
Cu | -- | -- | -- | rest | 27-33 | -- | -- |
Mo | 8.5-10 | -- | -- | -- | -- | 15-17 | -- |
Ti | ≤0.4 | 0.4-1 | 0.3-1 | 2.0-3 | 0.35-0.85 | -- | -- |
Al | ≤0.4 | 4-5 | -- | ≤0.5 | 2.3-3.15 | -- | -- |
Fe | ≤1.0 | -- | ≤0.5 | ≤1.0 | ≤1.0 | 4.0-7.0 | -- |
Nb | 3.5-4.15 | -- | -- | -- | -- | -- | ≤1.0 |
| Co | -- | -- | -- | -- | -- | -- | -- |
V | -- | -- | -- | -- | -- | ≤0.35 | -- |
W | -- | -- | -- | -- | -- | 3.0-4.5 | -- |
Impurities | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.5 |
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Main features:
High temperature oxidation resistance: Ni95Al5 can form a dense alumina (Al2O3) film at high temperatures, which can effectively prevent further oxidation and protect the stability of the alloy in high temperature environments.
Corrosion resistance: The high content of nickel makes Ni95Al5 highly resistant to various corrosive media, especially in sulfur-containing environments.
Thermal expansion performance: The thermal expansion coefficient of Ni95Al5 is similar to many ceramic materials, making it suitable as a thermal barrier coating to reduce thermal stress.
Good thermal cycling performance: Due to the addition of aluminum, Ni95Al5 has excellent thermal shock resistance and is suitable for components that frequently undergo rapid temperature changes.
Application of thermal spraying wire
The Ni95Al5 thermal spray wire through thermal spray technology is applied to the surface of energy equipment components to improve their corrosion resistance, high temperature resistance, and service life.
Specific application areas:
Thermal power plants: Ni95Al5 coating can be used to protect boilers, steam pipelines, and heat exchangers from high-temperature corrosion.
Gas turbine: In the hot end components of gas turbines, such as blades and combustion chambers, Ni95Al5 coating can improve the heat and corrosion resistance of the components.
Nuclear reactor: Ni95Al5 coating can be used for certain components of nuclear reactors, providing protection against high temperature and radiation corrosion.
Oil and Gas: During the extraction, transportation, and processing of oil and gas, Ni95Al5 coatings can protect equipment from sulfide corrosion.
Thermal Spray Coatings: Used to coat parts in high temperature and corrosive environments such as turbine blades, valves and heat exchangers.
Corrosion Resistant Coatings: Used in the chemical, oil and gas industries for anti-corrosion coatings.
Heating Elements: Used in the manufacture of heating elements in electric heating equipment such as electric stoves, ovens and industrial heaters.
Resistors: Suitable for making resistors, especially in high temperature environments where precise control of the current is required.
Comparison.
Composition: Ni95Al5 is a nickel-aluminium alloy, whereas Cr20Ni80 is a nickel-chromium alloy.
Applications: Ni95Al5 is more suitable for thermal spraying and coating applications, whereas Cr20Ni80 is mainly used for heating elements and resistors.
Properties: Ni95Al5 emphasises corrosion resistance and oxidation stability at high temperatures, while Cr20Ni80 is characterised by its high resistivity and stability at high temperatures.
Summary.
Both alloy wires have their own unique strengths and applications; Ni95Al5 is primarily used in environments where high temperature resistance and corrosion resistant coatings are required, while Cr20Ni80 is widely used in the manufacture of electric heating elements, especially at high temperatures where stable resistance values are required. Depending on the application, the right alloy wire can be selected to meet the performance requirements.
Advantages of thermal spraying technology
The combination of coating and substrate: Thermal spraying technology can firmly bond Ni95Al5 coating with various substrates, providing long-lasting protection.
Uniformity of coating: Thermal spray wire technology can form a uniform coating, ensuring the protection of the entire surface of the component.
Adaptability: Thermal spraying technology can adapt to various complex shaped components, including precision components in the energy field.
E-mail: Info@hulkalloy.com
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Tel: 0086 13852926463
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Add: Renli Village, Fangxian Town, Danyang City, Jiangsu Province, China
