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

Inconel 625 Wire is a high-performance nickel alloy spray wire designed for use in thermal spray coatings. Known for its outstanding corrosion resistance, thermal stability, and wear resistance, this wire is ideal for coating components that are exposed to extreme high-temperature and corrosive environments. With applications in industries such as aerospace, marine engineering, chemical processing, and electronics, Inconel 625 wire plays a pivotal role in protecting and enhancing the performance of various critical components.
Chemical Composition
| Nickel (Ni) | 95% |
| Aluminum (Al) | 5% |
Physical & Mechanical Properties
| Melting Point | 1400-1450°C |
| Density | 8.9 g/cm³ |
| Bond Strength | ≥ 55 MPa (Flame spray), ≥ 70 MPa (Electric arc spray) |
| Size | 1.2/1.6/2.0mm |
| Weight of Axle | 15kg |
| Parameter | Recommended Value |
| Spray Voltage | 30-40V |
| Spray Current | 100-300A |
| Air Pressure | 0.4-0.6MPa |
| Spray Distance | 100-150mm |
| Preheat Temperature | 80-150°C |
| Coating Thickness | 0.1-1.5mm |
High Mechanical Properties: Offers superior strength and durability, even under mechanical stress, ensuring long-lasting protection.
Exceptional Corrosion Resistance: Provides outstanding protection against corrosion, especially in harsh environments like seawater, acids, and chemicals.
High Temperature Coefficient of Electrical Resistance: Maintains stability and performance at high temperatures, making it ideal for thermal spray applications.
Oxidation Resistance: Forms a stable oxide layer that shields surfaces from oxidation, extending the lifespan of coated components.
Wear Resistance: The coatings created with Inconel 625 wire provide enhanced wear resistance, improving the longevity of equipment in demanding applications.
Versatility: Suitable for a wide range of applications, including vacuum coating, electronic components, and battery production.


Vacuum Coating: Inconel 625 wire is used to create high-quality coatings for vacuum valves, inner components of vacuum valves, and electron tube components.
Component Manufacturing: It’s ideal for producing valve grids, support wires, and connections for heating elements in spark plugs.
Electronic Components: Perfect for use in electronics, ensuring high-performance and protection against harsh environments.
Battery Production: Inconel 625 wire is used in battery production, providing the durability and corrosion resistance needed for long-term performance.
Marine Engineering: Offers excellent protection for marine components exposed to harsh, corrosive seawater environments.
Chemical Processing: Suitable for components in chemical processing equipment, especially where corrosion resistance is paramount.


Outstanding Corrosion Resistance: Inconel 625 wire is highly resistant to corrosion, especially in environments exposed to seawater, acids, and other aggressive chemicals, ensuring long-term durability.
High-Temperature Stability: This alloy maintains its strength and integrity even in high-heat environments, making it suitable for aerospace, marine, and chemical processing industries.
Excellent Oxidation Resistance: Forms a protective oxide layer that shields components from oxidation during high-temperature exposure.
Superior Wear Resistance: Thermal spray coatings made from Inconel 625 wire offer enhanced wear resistance, prolonging the life of the coated parts and reducing maintenance costs.
Easy Application: Inconel 625 wire is engineered for smooth performance in thermal spray equipment, ensuring high-quality and consistent coatings.



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.


Q1: What is Inconel 625 wire used for in thermal spray applications?
A1: Inconel 625 wire is used to create high-temperature, corrosion-resistant coatings for components exposed to extreme environments, such as aerospace, marine, and chemical processing applications.
Q2: What industries commonly use Inconel 625 wire for spray coatings?
A2: It is widely used in industries like aerospace, marine, chemical processing, and electronics, where both high-temperature resistance and corrosion protection are critical.
Q3: How does Inconel 625 wire resist corrosion?
A3: The nickel-chromium-molybdenum composition of Inconel 625 provides exceptional resistance to seawater, acids, and other aggressive chemicals, ensuring long-term performance in corrosive environments.
Q4: Can Inconel 625 wire be used at high temperatures?
A4: Yes, Inconel 625 wire is ideal for high-temperature applications, as it retains its strength and stability even in extreme heat.
Q5: Is Inconel 625 wire easy to apply in thermal spray equipment?
A5: Yes, Inconel 625 wire is specifically designed for smooth operation in thermal spray equipment, ensuring that coatings are applied efficiently and with consistent quality.