Thermal spray wires
PS45 Wire
45CT Thermal Spray Wire
45 CT/ PS45 is a Ni-Cr-Ti alloy wire designed for arc spraying. This alloy produces dense, well-bonded coatings with excellent corrosion resistance and good wear resistance. It produces coatings which are extremely resistant to corrosive vanadium and sulfur gases in boiler atmospheres.
Supply Size: 1.2mm /1.6mm /2.0mm or Customized
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Product Detail
In the realm of advanced materials, the Ni55Cr45 alloy has earned its place as a high-performance marvel. This alloy, composed predominantly of nickel (Ni) and chromium (Cr), possesses a unique set of characteristics that make it a sought-after material in various industries. In this detailed product description, we will delve into the composition, properties, applications, and advantages of Ni55Cr45, shedding light on its vital role in engineering and technology.
Composition of Ni55Cr45 Alloy
At the heart of the Ni55Cr45 alloy lies its precise composition, carefully engineered to deliver the exceptional properties that set it apart in the world of materials science. This high-performance alloy consists of approximately 55% nickel and 45% chromium. These two primary elements work in harmony, complemented by trace amounts of additional elements, to create a material that offers an outstanding balance of strength, corrosion resistance, and high-temperature capabilities.
Key Elements:
Nickel (Ni): Nickel, the predominant element, plays a crucial role in providing corrosion resistance, especially in harsh and corrosive environments. It is also a primary contributor to the alloy’s high-temperature strength, making it ideal for applications in extreme heat conditions.
Chromium (Cr): Chromium is the second major component of Ni55Cr45 alloy, and it plays a pivotal role in imparting oxidation resistance. When exposed to high temperatures, chromium forms a protective chromium oxide layer on the alloy’s surface. This oxide layer acts as a barrier, preventing further oxidation and ensuring the alloy maintains its structural integrity.
Minor Additions: In some formulations, small amounts of other elements, such as iron, manganese, molybdenum, and silicon, are added to further enhance specific properties. These minor additions can improve characteristics such as creep resistance, toughness, and resistance to thermal cycling, depending on the application requirements.
Properties of Ni55Cr45 Alloy
The Ni55Cr45 alloy boasts a comprehensive set of properties that make it a standout material in demanding applications across multiple industries. These properties are critical in ensuring the alloy’s reliability, performance, and longevity.
1. High-Temperature Strength:
One of the most remarkable attributes of Ni55Cr45 is its ability to maintain its structural integrity at elevated temperatures exceeding 1000°C (1832°F). This high-temperature strength is of paramount importance in industries where exposure to extreme heat is routine, such as in aerospace, power generation, and petrochemical applications.
2. Creep Resistance:
Creep, the tendency of a material to deform under sustained stress at elevated temperatures, is a crucial consideration in applications like gas turbine engines and power generation equipment. The Ni55Cr45 alloy excels in creep resistance, making it an ideal choice for components subject to constant loads at high temperatures.
3. Fatigue Resistance:
In applications involving cyclic loading, the Ni55Cr45 alloy exhibits remarkable fatigue resistance. This property is pivotal in ensuring the longevity and safety of components that undergo repeated stress cycles, particularly in the aerospace industry.
4. Toughness and Ductility:
Ni55Cr45 maintains its toughness and ductility even at elevated temperatures. This is essential for components subject to thermal cycling and mechanical stresses, as it ensures the alloy endures without significant degradation.
5. Oxidation Resistance:
The formation of a protective chromium oxide layer when exposed to high temperatures is a standout feature of Ni55Cr45. This oxide layer prevents further oxidation, ensuring the alloy remains structurally sound and retains its mechanical properties over time.
6. Corrosion Resistance:
Beyond its oxidation resistance, Ni55Cr45 alloy exhibits exceptional corrosion resistance in harsh environments, including exposure to acids, alkalis, and chlorides. This characteristic makes it a reliable choice in various applications, especially in the petrochemical and chemical industries.
7. Thermal Conductivity:
The Ni55Cr45 alloy possesses good thermal conductivity, which is advantageous in applications where efficient heat dissipation is crucial, such as in heat exchangers and furnaces.
8. Thermal Expansion:
The coefficient of thermal expansion of Ni55Cr45 is relatively low, signifying minimal expansion or contraction when exposed to temperature variations. This property is pivotal for maintaining dimensional stability in high-temperature applications.
Applications of Ni55Cr45 Alloy
The unique combination of properties exhibited by Ni55Cr45 alloy has led to its extensive use across a wide range of industries, making it a go-to material for critical components in demanding environments.
1. Aerospace:
Ni55Cr45 alloy is prominently featured in aerospace applications, where it is employed in critical components such as gas turbine engines, exhaust systems, and engine valves. Its ability to withstand high temperatures and mechanical stresses is indispensable for ensuring a safe and reliable flight.
2. Petrochemical and Chemical Industries:
In industries that handle corrosive fluids at elevated temperatures, Ni55Cr45 alloy is the material of choice for components like pumps, valves, and seals. Its corrosion resistance and high-temperature performance are vital in these applications.
3. Nuclear Power Generation:
Ni55Cr45’s ability to withstand radiation and maintain its structural integrity at extreme temperatures makes it a preferred choice for components within nuclear reactors, including fuel rod cladding and control rods.
4. Medical and Dental:
In the medical and dental fields, Ni55Cr45 is a key material for the production of medical devices and dental instruments. Its biocompatibility, corrosion resistance, and high fatigue strength make it an excellent choice for applications like dental braces, pacemakers, and other implantable medical devices.
5. Oil and Gas:
The Ni55Cr45 alloy is employed in demanding oil and gas applications where resistance to high-temperature and corrosive environments is paramount. It is used in components such as downhole tools and equipment for drilling and exploration.
6. Electronics:
In the electronics industry, Ni55Cr45’s thermal conductivity and resistance to high temperatures are leveraged for various applications, including heat sinks and electrical connectors.
In the world of advanced materials, the Ni55Cr45 alloy stands as a testament to the capabilities of materials science and metallurgy. Its unique combination of high-temperature strength, creep resistance, oxidation resistance, and corrosion resistance has solidified its position as a high-performance material across various industries.
As ongoing research and development continue to improve Ni55Cr45’s properties and reduce its cost, the alloy is poised to find new and expanded applications. In industries where the need for reliability and longevity is paramount, Ni55Cr45 remains at the forefront of materials engineering, shaping the present and future of high-temperature and corrosion-resistant solutions. Its unmatched characteristics make it a high-performance marvel that plays a pivotal role in the advancement of technology and engineering.
Key Features:
• The prepared coating surface at high temperature can form a high density of Cr2O3 oxide film; sulfide corrosion resistance is 60 times that of carbon steel.
• It can resist the corrosion of corrosive (sulfur, vanadium) gas produced in boiler work at a high temperature of close to 980 °C.
• The thickness of the coating basically does not change after 24 months of use. With an average denudation rate of < 0.0127 mm/year, the service life of the four tubes can be extended to more than 7 years.
• coating and carbon steel thermal expansion coefficient are similar, which can prevent the coating from falling off.
Application:
The coatings of 45CT wire is used to protect boiler tubes in thermal power plants, such as water cooling tubes, superheater tubes, reheater tubes, and economizer tubes, from oxidation and sulfidation against high temperature.
It also proven to be particularly effective as a protective arc spray coating for boiler tubes in black liquor recovery boilers and coal-fired utility boilers.
Nominal Chemical Composition (%)
Solid Wire
Ni | Cr | Ti |
---|---|---|
56.3 | 43 | 0.7 |
Cored Wire
Ni | Cr | Ti |
---|---|---|
50 | 49.3 | 0.7 |
Typical Characteristics:
Typical Hardness | Bond Strength | Deposit Rate | Deposit Efficiency | Machineability |
---|---|---|---|---|
HRC 30-35 | 7000 psi | 10 lbs/hr/100A | 85% | Good |
Recommended Spray Parameters:
Diameter | Air Pressure | Voltage | Amperage | Standof |
---|---|---|---|---|
1/16” (1.6mm) | 50-60 psi | 30-32 | 100-200 | 4-6 in (10-15 cm) |
Style of supply Wire:
1.2mm, 1.6mm, 2.0mm, DIN 200,wire weight per spool can be 15kgs and 12.5kgs,
3.2mm, it will be coil,weight per coil is 5kgs/10kgs/15kgs
They can be available according to your requirements.
Package
Products are generally supplied in standard cardboard boxes, pallets, and wooden boxes. Special packaging requirements can also be accommodated.
For the thermal spray wires, we wind small-size wires less than 1.6mm on spools. Bigger size than 2.4mm in coils. Then put the spools into cartons. Then put the cartons on a pallet or wood box.
Selecting the appropriate wire for your project is paramount to achieving the desired outcomes. In the case of 45CT Spray wire, it plays a vital role in the success of various industrial applications, ranging from corrosion protection to electrical conductance. By using the wrong wire, you risk compromising the integrity and performance of your project.
One of the primary reasons why selecting the right wire is crucial is the impact it has on safety. Using an inadequate wire can lead to electrical failures, short circuits, and even fires. Additionally, choosing the wrong wire may result in underperformance or inefficiency, leading to increased maintenance costs and decreased productivity.
To avoid these pitfalls, it is essential to have a comprehensive understanding of the factors that should be considered when choosing 45CT spray wire for your project.
Factors to Consider When Choosing 45CT Spray Wire
- Conductivity: The conductivity of the wire is a critical factor to consider, especially in applications that require efficient electrical flow. Spray wire offers excellent conductivity, making it suitable for projects where electrical performance is crucial.
- Corrosion Resistance: In environments where corrosion is a concern, it is vital to select a wire that can withstand the harsh conditions. 45CT spray wire is known for its exceptional resistance to corrosion, making it an ideal choice for projects exposed to moisture, chemicals, or extreme temperatures.
- Durability: The durability of the wire is an important consideration, especially in applications where the wire is subjected to stress or strain. Spray wire is renowned for its high tensile strength and durability, ensuring that it can withstand various environmental factors and mechanical stresses.
- Compatibility: When selecting 45CT spray wire, it is essential to consider its compatibility with other materials and components in your project. Ensuring that the wire is compatible with other elements will prevent any potential issues or inefficiencies.
What are the safety precautions for working with 45CT spray wire?
45CT spray wire is a high-temperature alloy that can be used for a variety of applications, including welding, brazing, and soldering. However, it is important to take safety precautions when working with this material, as it can be hazardous if not handled properly.
Here are some safety precautions to keep in mind when working with 45CT spray wire:
- Wear protective clothing. This includes long sleeves, pants, gloves, and a face shield.
- Work in a well-ventilated area.Spray wire can emit fumes that can be harmful if inhaled.
- Avoid contact with the skin. If 45CT spray wire comes into contact with your skin, wash it immediately with soap and water.
- Do not weld or braze spray wire in a confined space. The fumes can build up and create a dangerous environment.
- Dispose of the 45CT spray wire properly. Do not burn or bury it, as this could release harmful fumes.
If you are working with spray wire, it is important to be aware of the potential hazards and take the necessary precautions to protect yourself. By following these safety tips, you can help to prevent accidents and injuries.
The properties of 45CT spray wire
Melting point: 1450°C (2642°F)
Tensile strength: 480 MPa (70,000 psi)
- Corrosion resistance: Good
- Operating temperature range: -200°C to 1250°C (-330°F to 2282°F)
- Hardness: 30-35 HRC
- Specific heat capacity: 0.44 J/g°C (0.90 cal/g°F)
- Thermal conductivity: 9.1 W/m°C (0.16 BTU/ft-hr-°F)
- Electrical resistivity: 11.8 µΩ·cm
45CT spray wire is a nickel-chromium-titanium alloy that is known for its high melting point, tensile strength, and corrosion resistance. It is often used in applications where high temperature resistance is required, such as in combustion chambers, exhaust systems, and heat exchangers.
Advantages of 45CT spray wire
- High melting point: Spray wire has a melting point of 1450°C (2642°F), which makes it well-suited for applications where high temperature resistance is required.
- Tensile strength: Spray wire has a tensile strength of 480 MPa (70,000 psi), which makes it strong and durable.
- Corrosion resistance: 45CT spray wire has good corrosion resistance, making it suitable for use in harsh environments.
- Formability: Spray wire is relatively easy to form, making it well-suited for a variety of applications.
- Cost-effectiveness: Spray wire is a cost-effective material, making it a good choice for applications where cost is a factor.
Here are some specific applications where 45CT spray wire is often used:
- Corrosion Protection: Coating components exposed to harsh environments, such as offshore structures, pipelines, and industrial equipment, with 45CT alloy can provide excellent corrosion resistance.
- Wear Resistance: Components subject to abrasive wear, like engine parts, can benefit from 45CT spray alloy coatings, which enhance their durability and extend their service life.
- Thermal Insulation: 45CT coatings are also used for thermal barrier applications, insulating components from high temperatures in applications like gas turbines.
- Electrical Conductivity: In some cases, 45CT coatings may be used for electrical conductivity, such as in electrical contacts or connectors.
- Surface Enhancement: The 45CT alloy, like other thermal spray coatings, can be used to improve the surface properties of materials, making them more resistant to wear, corrosion, and thermal stress.
- Aerospace and Automotive: Components in the aerospace and automotive industries, including turbine blades and exhaust system components, may be coated with 45CT spray alloy for various purposes, including improved performance and protection.
Overall, 45CT spray wire is a versatile material with a number of advantages. It is well-suited for applications where high temperature resistance, corrosion resistance, and formability are required.
FAQs
1. What is 45CT spray alloy wire?
45CT spray alloy wire is a specific alloy wire used in thermal spray coating processes. It is designed to provide certain properties, such as corrosion resistance, wear resistance, or thermal insulation, to surfaces it is applied to.
2. What is the composition of 45CT spray alloy wire?
The specific composition of 45CT spray alloy wire may vary by manufacturer, but it typically includes a combination of metals or alloys to achieve the desired properties. You should check with the manufacturer for the precise composition.
3. What are the primary applications of 45CT spray alloy wire?
45CT spray alloy wire is used in a variety of applications, including corrosion protection, wear resistance, thermal insulation, and surface enhancement, in industries such as aerospace, automotive, and manufacturing.
4. How is 45CT spray alloy wire applied?
45CT spray alloy wire is typically applied using thermal spray techniques such as flame spraying, plasma spraying, or HVOF (high-velocity oxygen fuel) spraying. The choice of method depends on the specific application and the desired coating properties.
5. What are the advantages of using 45CT spray alloy wire for thermal spray coatings?
The advantages of using 45CT spray alloy wire include improved component durability, resistance to corrosion, wear, and thermal stress, as well as enhanced performance in various industrial applications.
6. How do I select the right thermal spray coating material for my application?
Selecting the right coating material, including 45CT spray alloy wire, depends on factors such as the intended use, environmental conditions, substrate material, and required properties. Consulting with a materials engineer or thermal spray specialist is advisable.
7. Can 45CT spray alloy wire be used for electrical conductivity applications?
Depending on its composition, the 45CT alloy may be suitable for applications that require electrical conductivity, such as electrical contacts or connectors. However, it's important to verify this with the manufacturer or a materials expert.
8. Where can I purchase 45CT spray alloy wire?
You can typically purchase 45CT spray alloy wire from specialized material suppliers, thermal spray equipment providers, or directly from the manufacturer. It's essential to ensure that you source it from a reputable supplier.
9. How can I ensure the quality of the thermal spray coating when using 45CT alloy wire?
Quality assurance in thermal spray coating processes involves proper surface preparation, choosing the right parameters for the thermal spray method, and post-coating inspections. Consulting with experts in the field is advisable.
10. Are there alternatives to 45CT spray alloy wire for thermal spray coatings?
Yes, there are various other alloy wires and materials used in thermal spray processes, and the choice of material depends on the specific application requirements. Consult with experts to determine the most suitable option.