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 Strip
Product Details

The 3J01, 3J21 , and 3J22 High Precision Permanent Magnet Alloy Strips are crafted with advanced engineering to provide outstanding performance in magnetic applications. These high-quality alloy strips offer superior magnetic strength, precision, and stability, making them ideal for a range of industries that require high-performance magnetic materials.
These strips maintain a strong, stable magnetic field without the need for continuous power supply, making them energy-efficient and reliable for long-term use. Their high precision and excellent magnetic properties make them suitable for applications in electronics, instrumentation, automotive, medical devices, and more.
Key Features
High Magnetic Strength: These strips offer exceptional magnetic performance with a stable and long-lasting magnetic field.
Energy Efficient: Permanent magnet properties mean the strips operate without requiring continuous power, reducing energy consumption.
Precision Engineering: Manufactured with a high degree of accuracy, ensuring reliable and consistent magnetic properties.
Durability: Resistant to corrosion, temperature variations, and mechanical stress, ideal for use in demanding environments.
Long Lifespan: Permanent magnet nature ensures a long service life without needing to recharge or maintain the magnetic field.


Parameter | 3J22 Co40CrNiMo Alloy Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 3,200 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~205 | ~200 | ~193 |
Corrosion Resistance | Excellent, ideal for harsh conditions | Moderate, needs coatings | Excellent, chromium-based |
Temperature Range (°C) | -40 to +250 | -20 to +150 | -50 to +300 |
Fatigue Resistance | Outstanding, millions of cycles | Good, but lower than 3J22 | Good, varies by alloy |
Hysteresis | Low, minimal energy loss | Moderate | Moderate to high |
Applications | Springs, actuators, elastic components | General springs | Springs, electronics |
Cost-Effectiveness | High, due to durability | Moderate, lower initial cost | Higher, material-driven |
Applications
Electronics: Used in magnetic components, such as sensors, actuators, and motors, requiring reliable and consistent magnetic properties.
Instrumentation: Essential for precision devices that need accurate magnetic fields, including measuring instruments and control systems.
Automotive Industry: Ideal for use in sensors, motors, and other magnetic devices found in automotive applications.
Medical Devices: Used in MRI machines, medical imaging equipment, and other devices that rely on stable and strong magnetic fields.
Energy Generation: Utilized in permanent magnet generators and renewable energy systems that require high-efficiency magnetic materials.

Manufacturing Process
Melting and Alloying: High-quality raw materials are carefully melted and combined to form the required alloy composition.
Casting: The molten alloy is cast into thin strips, ensuring uniformity in thickness and magnetic properties.
Cold Rolling: The strips are cold-rolled to precise thicknesses while maintaining their magnetic integrity.
Heat Treatment: A heat treatment process enhances the magnetic characteristics, ensuring long-term stability and high performance.
Finishing: Final processing steps include cutting, surface treatment, and quality control checks to ensure that each strip meets industry standards.

Advantages
High Precision: The strips provide precise magnetic properties that are essential in critical applications like electronics and instrumentation.
Energy-Efficient: The permanent magnet design reduces energy usage by not requiring an external power supply for magnetization.
Resilient: These strips are highly resistant to temperature fluctuations, mechanical stress, and corrosion, making them ideal for harsh industrial environments.
Long-Lasting: The permanent magnet feature guarantees that the alloy strips maintain their magnetism for extended periods.
Versatile: The alloy strips are suitable for use in a wide range of industries, including electronics, automotive, 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
Q1: What are the primary applications for the 3J01, 3J21, and 3J22 alloy strips?
A1: These alloy strips are used in various industries, including electronics, automotive, instrumentation, and medical devices, where stable, long-lasting magnetic properties are required.
Q2: Are these alloy strips suitable for harsh environments?
A2: Yes, the strips are designed to withstand corrosion, temperature extremes, and mechanical stress, making them ideal for use in demanding conditions.
Q3: Can these alloy strips be used in power-sensitive applications?
A3: Absolutely! Their permanent magnet properties ensure that they work without a continuous power supply, making them ideal for energy-efficient applications.
Q4: Do you offer samples of these alloy strips?
A4: Yes, we offer free samples for testing purposes. The buyer is responsible for the shipping cost.
Q5: What is the lead time for orders?
A5: Sample lead time is typically 7 days after payment confirmation. Bulk orders may take longer depending on specifications.
Q6: How can I contact you for more information or to place an order?
A6: Our working hours are Monday to Saturday, 7:30 AM to 5:00 PM Beijing Time (GMT+08:00). Feel free to email us during holidays (May 1-3, Oct 1-7, Chinese New Year) for inquiries.
Q7: What payment methods do you accept?
A7: We accept T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal.
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