Welcome to Changzhou DLX Alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of heaters, thermocouples and titanium,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Product Details

45CT thermal spray wire is a high-strength carbon steel wire designed for use in arc and flame spray systems, where it provides outstanding protection against high temperatures and corrosion. This wire is commonly used to coat conventional low alloy steels, bond coats for improving adhesion of top coatings, and coatings for molds in the glass industry. Due to its excellent properties, it is an ideal choice for a wide range of applications that require durability, wear resistance, and performance under extreme conditions.
| Element | Inconel 625 | Ni95Al5 | 45CT | Monel 400 | Monel K500 | HC-276 | Cr20Ni80 | S5420 | 0Cr25Al5 | Ni80A120 | Pure Zinc Wire | ZnA15 |
| C | ≤0.05 | ≤0.02 | ≤0.01 | ≤0.1 | ≤0.04 | ≤0.25 | ≤0.02 | ≤0.08 | 0.36-0.48 | ≤0.06 | ≤0.08 | - |
| Mn | ≤0.4 | ≤0.2 | ≤0.2 | 2.5-3.5 | ≤1.5 | ≤1.0 | ≤0.1 | ≤0.06 | ≤0.1 | ≤0.4 | ≤0.7 | ≤0.75 |
| P | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.02 | ≤0.01 | ≤0.01 | ≤0.04 | ≤0.05 | ≤0.025 | ≤0.02 |
| S | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.01 | ≤0.03 | ≤0.03 | ≤0.025 | - |
| Si | ≤0.15 | ≤0.2 | ≤0.2 | ≤0.15 | ≤0.5 | ≤0.08 | 0.75-1.6 | ≤1 | ≤1 | ≤0.6 | ≤0.5 | ≤0.12 |
| Sn | - | - | - | - | - | - | - | - | - | - | - | ≤0.001 |
| Pb | - | - | - | - | - | - | - | - | - | - | - | ≤0.005 |
| Cd | - | - | - | - | - | - | - | - | - | - | - | ≤0.005 |
| Cr | 21.5-23 | ≤0.2 | 42-46 | - | - | 14.5-16 | 20-23 | 12-14 | 23.26 | ≤0.0015 | - | - |
| Ni | Balance | Balance | Balance | 65-67 | Balance | 27-33 | - | - | - | ≤0.6 | ≤0.6 | Balance |
| Cu | - | - | - | Balance | Balance | - | - | - | - | - | - | ≤0.002 |
| Mo | 8.5-10 | - | - | - | - | 15-17 | - | - | - | - | - | ≤0.01 |
| Ti | ≤0.4 | 0.4-1 | 0.3-1.0 | 2.0-3.0 | 0.35-0.85 | - | - | - | - | - | - | - |
| Al | ≤0.4 | 4-5 | ≤0.5 | ≤0.5 | 2.3-3.15 | - | - | - | - | 4.5-6.5 | 19-20 | ≤0.001 |
| Fe | ≤1.0 | - | ≤0.5 | ≤1.0 | ≤1.0 | 4.0-7.0 | - | - | - | - | - | 14-16 |
| Nb | 3.15-4.15 | - | - | - | - | - | ≤1.0 | - | - | - | - | ≤0.02 |
| Co | - | - | - | - | - | - | - | - | - | - | - | ≤0.05 |
| V | - | - | - | - | - | - | - | ≤0.35 | - | - | - | - |
| W | - | - | - | - | - | 3.0-4.5 | - | - | - | - | - | - |
| Zinc | - | - | - | - | - | - | - | - | - | - | ≥99.95 | 84-86 |
| Impurities | ≤0.50 | ≤0.50 | ≤0.50 | ≤0.50 | ≤0.50 | ≤0.50 | - | - | - | - | - | - |
High Mechanical Properties: 45CT wire offers superior tensile strength, making it ideal for applications that involve heavy mechanical stress and high pressure.
Corrosion Resistance: Its resistance to corrosion ensures longevity and reliability, even in harsh industrial environments.
High-Temperature Coefficient of Electrical Resistance: This property ensures stability and performance in high-temperature applications, making it suitable for use in high-heat environments.
Good Hardness: 45CT wire’s hardness makes it resistant to wear, ensuring extended service life and optimal performance in demanding conditions.
Versatility: Suitable for use in various industries, including automotive, electronics, machinery, and structural components, 45CT wire is a highly adaptable material.


Vacuum Coating
Vacuum Systems: 45CT wire is commonly used in vacuum coating applications, including making valves, grids, and inner components of vacuum valves. It provides excellent protection and durability, enhancing the lifespan of components in vacuum systems.
Automotive Parts
Wear-Resistant Coatings: The wire’s hardness and tensile strength make it an ideal choice for coating automotive parts that experience high mechanical stress, including engine components and exhaust systems. It helps improve performance and extend the life of critical automotive parts.
Electronic Components
Component Coating: 45CT wire is used for coating electronic components that require resistance to heat and corrosion. Its excellent machinability allows for precise coating applications, enhancing the reliability and durability of electronic devices.
Battery Production
Manufacturing Applications: In battery production, 45CT wire provides excellent wear resistance and corrosion protection for the components involved in the assembly of batteries, helping to ensure their performance over time.
Heating Elements and Spark Plugs
High-Temperature Applications: 45CT wire is utilized in the manufacture of heating elements, including heating spirals in spark plugs. Its high-temperature stability makes it well-suited for applications where heat resistance is essential.
Machinery and Structural Components
Durable Coatings: The wire is commonly used to coat machinery and structural components that require wear resistance and protection from corrosion, such as pumps, valves, and conveyor parts. Its superior mechanical properties ensure long-lasting performance.


High Strength and Durability
45CT wire offers excellent tensile strength, making it suitable for demanding applications where mechanical stress is a concern. It is designed to withstand heavy-duty use in industrial environments.
Superior Hardness
The wire’s high hardness enhances its wear resistance, ensuring that coated components maintain their integrity and function over extended periods.
Versatile and Cost-Effective
45CT wire is ideal for a wide range of industries due to its versatility. It offers a balance between performance and cost, making it a practical solution for applications where both durability and affordability are important.
Excellent Machinability
45CT wire can be easily cut, shaped, and formed, simplifying the manufacturing process. This property makes it easy to work with, providing flexibility in the production of custom components.
Corrosion Protection
The wire’s resistance to corrosion ensures that it provides long-lasting protection for the components it coats, reducing the need for frequent maintenance and replacements.



CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.


Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.


Q: What is 45CT thermal spray wire?
A: 45CT wire is a high-strength carbon steel wire known for its excellent tensile strength, hardness, and corrosion resistance. It is commonly used for high-temperature and high-stress applications.
Q: What are the main applications of 45CT wire?
A: 45CT wire is used in a variety of industries, including automotive, electronics, vacuum coating, battery production, and machinery, due to its excellent mechanical properties and versatility.
Q: What are the key benefits of 45CT wire?
A: The key benefits of 45CT wire include high strength, excellent hardness, superior machinability, and good corrosion resistance. These properties make it ideal for demanding applications in various industries.
Q: How does 45CT wire perform under stress?
A: 45CT wire provides excellent tensile strength and durability, ensuring that it performs well under high-stress conditions. It is ideal for applications that involve mechanical loading and wear.
Q: Is 45CT wire easy to work with?
A: Yes, 45CT wire is easy to cut, shape, and form, making it a flexible material that simplifies manufacturing processes.
Q: How should 45CT wire be stored?
A: 45CT wire should be stored in a dry, cool environment to prevent corrosion and maintain its quality. Proper storage ensures the wire's longevity and performance.