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, such as the 3J58 permanent magnet alloy round wire, is a highly engineered material that combines superior mechanical and physical properties. Crafted with high precision and stringent quality control, this alloy wire is designed for applications requiring excellent tensile strength, flexibility, and durability. Its fine diameter and uniform structure ensure reliable and consistent performance in demanding environments.
The 3J58 permanent magnet alloy wire is particularly renowned for its outstanding resistance to corrosion, heat, and wear, making it ideal for a variety of challenging industrial applications. This alloy is widely used in electronics, aerospace, and medical fields, where precise and reliable materials are essential. Applications include delicate electrical connections, precision sensors, and high-strength filaments, supporting advanced technologies across various industries.
Thanks to its exceptional magnetic properties, the 3J58 alloy wire is perfect for use in permanent magnets and devices requiring precise magnetic performance. Its ability to retain magnetism under challenging conditions makes it indispensable in modern industrial systems.
High Precision: Manufactured with strict quality control to ensure uniform diameter and consistency, making it suitable for high-precision applications.
Magnetic Performance: Offers excellent magnetic properties for permanent magnets and related components.
Corrosion and Heat Resistance: Designed to withstand harsh environments, including exposure to high temperatures and corrosive conditions.
Excellent Flexibility: Provides a balance of tensile strength and flexibility, essential for delicate electrical connections and sensors.
Durability: Exceptional resistance to wear and tear, ensuring a long service life and reliable performance.
Versatile Applications: Used in industries like electronics, aerospace, medical devices, and more, enabling complex technologies.


Parameter | 3J58 Elastic Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 2,600 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~185, constant across temperatures | ~200 | ~193 |
Corrosion Resistance | Good, suitable for moderate 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 3J58 | Good, varies by alloy |
Hysteresis | Very low, minimal energy loss | Moderate | Moderate to high |
Applications | Scales, gauges, measurement systems | General springs | Springs, electronics |
Cost-Effectiveness | High, due to precision performance | Moderate, lower initial cost | Higher, material-driven |
Electronics: Ideal for applications in the electronics industry, such as connectors, sensors, and microelectronic components.
Aerospace: Essential for manufacturing components that require high strength and durability, including sensors and electrical connections.
Medical Devices: Used in precision instruments, including sensors and electrical connections in medical technology.
Permanent Magnets: Perfect for producing permanent magnets used in motors, generators, and other magnetic devices.
Precision Sensors: The 3J58 alloy wire's excellent magnetic and mechanical properties make it suitable for creating accurate and reliable sensors.


The 3J58 permanent magnet alloy wire is made from a combination of materials designed to optimize magnetic properties while ensuring durability and reliability in various applications. The specific chemical composition is crafted to achieve high magnetic permeability and coercivity, making it ideal for use in permanent magnets and similar applications.
Packaging: The wire is carefully packaged to prevent damage during shipping, typically in secure coils or spools.
Shipping: Shipping is arranged via reliable carriers. Delivery time depends on the destination and order size. Tracking information will be provided once the shipment is 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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Q1: What is your working time and contact information?
A1: Our working hours are Monday to Saturday from 7:30 AM to 5:00 PM (Beijing time, GMT+08:00). We have public holidays from May 1-3, Oct 1-7, and during the Chinese New Year. Please email us during our holiday if you have any questions.
Q2: Do you provide free samples?
A2: Yes, we can provide a free sample for testing, but the buyer is responsible for all shipping costs.
Q3: What is your payment terms?
A3: We accept T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal.
Q4: What is the lead time?
A4: The sample lead time is typically 7 days after payment is confirmed. Bulk orders may require more time, depending on the size and specifications.
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