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-performance carbon steel wire specifically engineered for high-strength applications where resistance to wear, heat, and corrosion is essential. Ideal for use in arc and flame spray systems, this wire is designed to protect components from the damaging effects of high temperatures and harsh environments. With its superior mechanical properties, 45CT wire offers an effective coating solution for a variety of industries including automotive, machinery, and electronics, as well as in specialized applications like vacuum coating and battery production.
| 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 Strength: 45CT wire offers exceptional tensile strength, ensuring it can withstand heavy mechanical stress in industrial applications.
Enhanced Hardness: The wire's superior hardness provides excellent wear resistance, making it ideal for high-durability applications.
Corrosion Resistance: It offers resistance to corrosion, maintaining its integrity even in challenging environments.
Thermal Stability: 45CT wire can perform reliably under high temperatures, making it suitable for applications with fluctuating thermal conditions.
Excellent Machinability: The wire is easy to shape, cut, and form, ensuring smooth integration into production processes.


Vacuum Coating
45CT thermal spray wire is used in the coating of vacuum valves, grids, and inner components of vacuum systems. The wire’s resistance to wear and corrosion makes it perfect for these demanding applications.
Automotive Components
For automotive parts, especially those exposed to high temperatures and mechanical stress, 45CT wire is applied to enhance the durability and longevity of components like engine parts, exhaust systems, and heat exchangers.
Battery Production
45CT wire is also used in battery manufacturing for components requiring resistance to corrosion and wear, helping to ensure the longevity and efficiency of batteries in various applications.
Electronic Components
In electronics, 45CT wire is used to protect sensitive components from high temperatures and mechanical stress. Its excellent machinability allows for precision coating of parts used in electronic devices.
Heating Elements
The wire is frequently used in the manufacture of heating elements and spark plugs. Its ability to withstand high temperatures and maintain structural integrity under heat makes it ideal for these applications.
Machinery and Structural Coatings
For machinery components such as pumps, valves, and conveyor parts, 45CT thermal spray wire is used to coat surfaces and enhance their resistance to wear, corrosion, and thermal damage.


Superior Durability: The wire’s high strength and hardness make it suitable for applications where durability is critical. It is resistant to wear, corrosion, and mechanical stress, ensuring long-term performance.
Versatile and Cost-Effective: 45CT wire is versatile, used across a wide range of industries. It offers a cost-effective solution for protecting components without compromising on performance.
Corrosion Protection: The wire provides excellent corrosion resistance, making it suitable for industries exposed to harsh chemicals or marine environments.
High-Temperature Resistance: With its thermal stability, 45CT wire maintains its strength and integrity even under extreme temperature conditions.
Easy Fabrication: The wire’s excellent machinability allows for easy cutting, shaping, and forming, which simplifies the manufacturing process and ensures precise applications.



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 thermal spray wire is a high-strength carbon steel wire used in various industrial applications. It provides superior protection against wear, corrosion, and high temperatures, making it ideal for coatings in demanding environments.
Q: What industries use 45CT wire?
A: 45CT wire is used in industries such as automotive, electronics, battery production, machinery, and vacuum coating, among others. It is valued for its mechanical strength and corrosion resistance.
Q: What are the primary benefits of using 45CT wire?
A: Key benefits include its high strength, wear resistance, corrosion protection, high-temperature stability, and excellent machinability, making it an ideal choice for a wide range of industrial applications.
Q: How does 45CT wire perform in high-stress environments?
A: 45CT wire performs exceptionally well under stress due to its superior tensile strength and hardness, making it suitable for demanding applications where durability is essential.
Q: Can 45CT wire be easily fabricated?
A: Yes, 45CT wire is easy to cut, shape, and form, making it highly adaptable for various applications across different industries.
Q: How should 45CT wire be stored?
A: To maintain its quality, 45CT wire should be stored in a dry, cool place to prevent any corrosion and ensure that it performs as expected in its intended applications.