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

3J01, 3J21 , and 3J53 precision alloys are premium materials known for their extraordinary elastic properties and exceptional mechanical performance. These alloys are specifically designed for applications that require high elasticity, superior resilience, and long-term stability. With a high modulus of elasticity, these alloys maintain their shape and function under repeated stress, making them ideal for use in springs, sophisticated instruments, and various components where mechanical reliability is crucial.
Parameter | 3J01 Alloy Wire | Generic Ni-Cr Alloy Wire |
|---|---|---|
Elastic Modulus | High, stable (-60°C to +100°C) | Moderate, less stable at extremes |
Corrosion Resistance | Excellent (nitric acid, marine) | Good, less resistant to harsh media |
Thermal Expansion Coefficient | Low (12–14 × 10⁻⁶/°C) | Higher, less consistent |
Tensile Strength | High (post-aging treatment) | Moderate, varies by grade |
Processing | Solution + aging treatment | Basic annealing, less flexible |
Hysteresis Loss | Low | Moderate to high |
Applications | Precision springs, instruments | General springs, limited precision |
Customization Options | Extensive (size, composition) | Limited |
High Modulus of Elasticity
These alloys feature a high modulus of elasticity, allowing them to resist deformation under stress and return to their original shape after being subjected to forces. This makes them highly suitable for components that need to maintain their shape under constant or fluctuating loads.
Excellent Resilience
3J01, 3J21, and 3J53 alloys demonstrate superb resilience, meaning they can absorb and release energy efficiently. This characteristic is particularly important in applications involving springs or other components that undergo repeated loading and unloading cycles.
Precision and Durability
The alloys are manufactured with strict tolerances and advanced processing methods to ensure precision in mechanical performance. This precision ensures that the alloys meet the exact requirements of high-performance applications.
Corrosion Resistance
These alloys offer good resistance to corrosion and oxidation, ensuring long-lasting performance in various environmental conditions. This makes them ideal for use in industries where parts are exposed to harsh conditions, such as aerospace, automotive, and medical fields.
Versatile Applications
With their unique combination of elasticity, resilience, and durability, the 3J01, 3J21, and 3J53 alloys are used in a wide range of industries, from manufacturing precision instruments to producing highly durable spring components and actuators.


These precision alloys are highly versatile, serving industries that demand high-performance mechanical materials. Some of their primary applications include:
Precision Instruments
These alloys are used in manufacturing components for precision instruments, such as measuring devices, calibrators, and sensors. Their ability to withstand repeated stress while maintaining accuracy makes them invaluable in these applications.
Springs and Mechanical Components
The excellent elasticity and resilience of 3J01, 3J21, and 3J53 make them ideal for springs, bushings, and shock absorbers. These alloys are designed to perform reliably under cyclic loading conditions, providing durability and stable performance in critical mechanical components.
Aerospace and Automotive Applications
In aerospace and automotive industries, these alloys are used in actuators, sensor components, and springs that are exposed to constant stress and extreme environmental conditions. Their corrosion resistance and long-lasting resilience ensure high reliability in these demanding sectors.
Medical Devices
These alloys are often used in medical instruments and implants, where high mechanical performance and long-term durability are essential. Their ability to withstand continuous stress and their biocompatibility make them suitable for various medical applications.
Industrial Machinery
In industrial machinery, 3J01, 3J21, and 3J53 are used for producing precision springs, stabilizers, and other mechanical components that must maintain their shape and mechanical properties under continuous use.


High Elasticity: The alloys feature excellent elasticity, allowing them to withstand and return to their original shape after repeated stress, making them ideal for springs and other mechanical components.
Durability and Long Service Life: With high resistance to wear, corrosion, and oxidation, these alloys are built to perform reliably over extended periods, even under harsh conditions.
Precision Manufacturing: The alloys are produced to strict tolerances, ensuring consistent quality and performance in critical applications.
Versatility: With their combination of mechanical and physical properties, these alloys are ideal for a wide range of applications across various industries, including aerospace, automotive, medical devices, and industrial machinery.
Packaging: We ensure that 3J01, 3J21, and 3J53 alloys are securely packaged to prevent damage during transit. Custom packaging options, including wooden boxes or plastic wrapping, are available upon request.
Shipping: Fast and reliable shipping options are provided to ensure timely delivery of your materials. We offer competitive shipping rates based on your location and order size, and tracking information is provided once your order has been dispatched.



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.

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Q: What are the main applications of 3J01, 3J21, and 3J53 alloys?
A: These alloys are used in precision instruments, springs, aerospace components, medical devices, and industrial machinery, where high mechanical performance and durability are required.
Q: Are the alloys customizable?
A: Yes, 3J01, 3J21, and 3J53 alloys can be customized to meet specific application requirements, including different sizes and forms such as wire, strip, or foil.
Q: What is the lead time for receiving my order?
A: Standard lead time is approximately 7 days for sample orders. Larger or custom orders may require additional processing time.
Q: Can I request a sample of the alloys for testing?
A: Yes, we offer free samples for testing purposes, though customers are responsible for the shipping costs.
Q: What payment methods do you accept?
A: We accept a variety of payment methods, including T/T, L/C, Western Union, PayPal, and MoneyGram, for your convenience.
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