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 a highly specialized material known for its exceptional mechanical and physical properties. Crafted with utmost precision and strict quality control, this wire is designed to offer outstanding tensile strength and flexibility. Its fine diameter and uniform structure make it ideal for applications that require high performance and reliability.
The 3J40 Precision Alloy Wire demonstrates remarkable resistance to corrosion, heat, and wear, making it suitable for demanding environments in industries such as electronics, aerospace, and medical fields. It is commonly used for creating delicate electrical connections, precision sensors, and high-strength filaments, all of which are crucial for advanced technologies and complex systems. This alloy wire is specifically engineered for soft magnetic applications, providing excellent magnetic properties while maintaining mechanical stability.
Precision Engineering: Manufactured with high precision and strict quality control for consistent performance.
Exceptional Strength & Flexibility: High tensile strength and flexibility for demanding applications.
Corrosion & Heat Resistance: Excellent resistance to heat and corrosion, making it suitable for harsh environments.
Soft Magnetic Properties: Designed for applications requiring magnetic materials, with optimized magnetic permeability and low coercivity.
Uniform Structure: Fine diameter and uniform wire structure ensure reliable performance in intricate electronic circuits and components.
Versatile Applications: Can be used in a wide range of industries and applications, from aerospace to medical devices.


Parameter | 3J40 Corrosion-Resistant Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 2,500 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~185, constant across temperatures | ~200 | ~193 |
Corrosion Resistance | Excellent, ideal for harsh conditions | Moderate, needs coatings | Excellent, chromium-based |
Temperature Range (°C) | -40 to +100 | -20 to +150 | -50 to +300 |
Fatigue Resistance | Excellent, millions of cycles | Good, but lower than 3J40 | Good, varies by alloy |
Hysteresis | Very low, minimal energy loss | Moderate | Moderate to high |
Applications | Springs, actuators, automation | General springs | Springs, electronics |
Cost-Effectiveness | High, due to durability | Moderate, lower initial cost | Higher, material-driven |
Electronics: Ideal for the production of delicate electrical connections and circuits, such as in sensors, transformers, and inductors.
Aerospace: Used in precision components for aerospace applications, where high strength, magnetic properties, and heat resistance are crucial.
Medical Devices: Employed in the manufacturing of medical sensors and devices that require high precision and reliability in challenging environments.
Automotive: Utilized in automotive applications for components that require magnetic properties and resistance to high temperatures.
Energy: Key material in the development of components for energy systems, such as gas turbines, power generators, and transformers.
Industrial Equipment: Ideal for manufacturing high-performance parts in machinery, including sensors and actuators.
Magnetic Systems: Suitable for use in magnetic shielding, motors, and magnetic field sensors.


High Precision: Manufactured with fine tolerances to ensure the highest accuracy in demanding applications.
Soft Magnetic Properties: Excellent for applications that require magnetic materials with low coercivity and high permeability.
Durability: Offers outstanding performance even in high-temperature environments due to its corrosion resistance and ability to withstand extreme conditions.
Versatility: Can be easily customized to meet specific customer requirements, including different diameters, lengths, and processing options.
Cost-Effective: While offering high performance, it is also a cost-effective solution for industries looking for reliable and durable wire materials.
Long Service Life: Excellent wear resistance and longevity make it a reliable choice for long-term applications.
Good Weldability: Can be easily welded with common welding techniques (TIG, MIG, and spot welding), offering flexibility in manufacturing.
Nickel (Ni): High concentration for soft magnetic properties.
Iron (Fe): Core element for enhancing magnetic permeability.
Chromium (Cr): For corrosion resistance.
Other Alloying Elements: Designed for optimizing performance in soft magnetic applications.
Packaging: The 3J40 precision alloy wire will be securely packed on spools to ensure it remains in pristine condition during transport. The packaging is designed to prevent damage and preserve the quality of the product.
Shipping: The product will be shipped using trusted couriers, and tracking details will be provided. Shipping charges are calculated based on weight and destination.


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
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What are your working hours and contact information?
Our working hours are 7:30 AM to 5:00 PM (Beijing time, GMT+08:00), Monday to Saturday. We are closed during public holidays such as May 1-3, October 1-7, and Chinese New Year. Please feel free to email us during our holidays, and we will respond as soon as possible.
Do you provide free samples?
Yes, we offer free samples for testing purposes. The buyer is responsible for shipping costs.
What are your payment terms?
We accept T/T (Telegraphic Transfer), L/C (Letter of Credit), D/A (Documents Against Acceptance), D/P (Documents Against Payment), Western Union, MoneyGram, and PayPal.
What is the lead time?
Sample lead time is 7 days after payment confirmation.
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