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

Precision Alloy wire is an exceptional material renowned for its superior mechanical and physical properties. Manufactured with meticulous precision and rigorous quality control, it features a fine diameter and a uniform structure, delivering exceptional tensile strength and flexibility. This alloy wire exhibits outstanding resistance to corrosion, heat, and wear, making it highly versatile for applications across industries such as electronics, aerospace, and medical technology. It is ideal for creating intricate electrical connections, precision sensors, and high-strength filaments, playing a pivotal role in advancing cutting-edge technologies and ensuring reliable performance in complex systems.
Key Features
High Precision: The wire is produced with extremely tight tolerances, ensuring consistent diameter and mechanical properties. This precision allows for accurate and reliable performance in applications where even the slightest deviation can lead to significant problems.
Superior Mechanical Properties: It offers excellent tensile strength, fatigue resistance, and ductility. These properties enable the wire to withstand harsh operating conditions, such as high stress and repeated bending, without failure or deformation.
Tailored Alloy Compositions: We can customize the alloy composition according to specific application needs. This flexibility allows us to optimize the wire's electrical, magnetic, and thermal properties, providing the best solution for different industries.
High Surface Quality: The wire has a smooth and clean surface finish, reducing friction and improving its performance in applications such as wire-drawing, winding, and electrical contacts.


Comparison Parameter Table
| Elements | 4J29 | 4J36 | |
|---|---|---|---|
| Carbon (C) | Not greater than | 0.03 | 0.05 |
| Sulfur (S) | 0.02 | 0.02 | |
| Phosphorus (P) | 0.02 | 0.02 | |
| Manganese (Mn) | ≤0.50 | 0.20-0.60 | |
| Silicon (Si) | ≤0.30 | ≤0.30 | |
| Nickel (Ni) | 28.5-29.5 | 35.0-37.0 | |
| Chromium (Cr) | - | - | |
| Cobalt (Co) | 16.8-17.8 | - | |
| Iron (Fe) | Rest | Rest | |
| Other Elements |
| Alloy Grade | 20°C-100°C | 20°C-300°C | 20°C-500°C |
|---|---|---|---|
| 4J36 Invar Alloy | 1.2×10⁻⁶ /°C | 2.5×10⁻⁶ /°C | - |
| 4J29 Kovar Alloy | 4.6×10⁻⁶ /°C | 5.5×10⁻⁶ /°C | 6.2×10⁻⁶ /°C |
| Alloy Grade | 4J36 Invar Alloy | 4J29 Kovar Alloy |
|---|---|---|
| Density (g/cm³) | 8.1 | 8.2 |
| Tensile Strength (MPa) | 500-600 | 600-700 |
| Yield Strength (MPa) | 250-350 | 300-400 |
| Hardness (HV) | 150-200 | 200-250 |
Application Fields
Electronics Industry: In electronics, our precision alloy wire is used in the production of micro-springs, connectors, and sensors. Its high precision and good electrical conductivity make it an ideal choice for these applications, ensuring stable electrical connections and accurate sensing.
Aerospace and Defense: The aerospace and defense sectors rely on our alloy wire for critical components such as aircraft engine parts, missile guidance systems, and communication equipment. The wire's ability to withstand high temperatures, extreme stress, and harsh environments is crucial for ensuring the safety and reliability of these applications.
Medical Devices: In the medical field, the precision alloy wire is used in the manufacture of surgical instruments, orthopedic implants, and cardiovascular devices. Its biocompatibility, high strength, and corrosion resistance make it suitable for use in the human body, promoting patient safety and well-being.
Automotive Industry: Our alloy wire is used in automotive applications such as fuel injection systems, sensors, and electrical wiring. Its high performance and durability help improve the efficiency and reliability of vehicles, reducing maintenance costs and enhancing overall performance.


Advantages
High Durability: Precision alloy wire offers outstanding durability and performance under harsh conditions, making it ideal for high-stress applications in demanding industries.
Long-Lasting Performance: The wire's resistance to corrosion, heat, and wear ensures a long service life, reducing the need for frequent replacements and maintenance.
Customization Options: Tailored alloy compositions allow for optimization of electrical, thermal, and mechanical properties to suit a wide range of application needs.
Superior Mechanical Strength: The alloy wire offers excellent tensile strength, fatigue resistance, and ductility, which helps it withstand repeated bending, high-stress conditions, and other challenging environments without failure.
Reliability in Precision Applications: The high precision and consistent quality ensure reliable performance in intricate and critical applications, such as electronics, aerospace, and medical devices.



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.

Client Visits
Building Stronger Partnerships


FAQ
What is your working time and contacting information?
Monday-Saturday: 7:30AM-17:00PM (Beijing time, GMT+08.00). We have public holidays during May 1-3, Oct 1-7, and Chinese New Year holiday. Please email us during our holiday if you have any questions.
Do you provide free samples?
Yes, we can provide a free sample for testing. The buyer should bear all the shipping costs.
What are your payment terms?
T/T, L/C, D/A, D/P, Western Union, MoneyGram, Paypal.
What is the lead time?
Usually, the sample lead time is 7 days after payment has been confirmed.
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