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

The Precision Alloy s 3J53, 3J58 , and S3J47 are high-performance magnetic materials that excel in a variety of industrial applications requiring superior magnetic properties. These alloys are renowned for their high magnetic induction and low coercivity, making them ideal for use in permanent magnets, sensors, transformers, and other electromagnetic components. Their unique combination of high precision and stability ensures that they meet the stringent requirements of modern applications across industries.
Manufactured through advanced processes, 3J53, 3J58, and S3J47 alloys are designed to maintain consistent quality and deliver optimal performance in a range of harsh environmental conditions. With their excellent resistance to temperature fluctuations, oxidation, and other environmental factors, these alloys are highly durable and offer long-lasting performance.
These alloys are essential in industries requiring reliable magnetic solutions, offering both efficiency and stability.
High Magnetic Induction: Delivers powerful and stable magnetic performance ideal for use in permanent magnets and other high-performance applications.
Low Coercivity: Ensures efficient operation in devices where minimal magnetic loss and optimal switching are required.
Precision Engineering: Manufactured to the highest industry standards, ensuring consistent quality and reliable performance.
Excellent Durability: Resistant to environmental factors such as temperature fluctuations, oxidation, and wear, enhancing long-term performance.
Versatility in Size: Available in a range of sizes and customizable to meet specific application requirements.


Parameter | S3J47 Superelastic Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 2,800 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~190 | ~200 | ~193 |
Corrosion Resistance | Excellent, biocompatible | Moderate, needs coatings | Excellent, chromium-based |
Temperature Range (°C) | -40 to +120 | -20 to +150 | -50 to +300 |
Fatigue Resistance | Outstanding, millions of cycles | Good, but lower than S3J47 | Good, varies by alloy |
Hysteresis | Very low, minimal energy loss | Moderate | Moderate to high |
Applications | Springs, implants, elastic components | General springs | Springs, medical tools |
Cost-Effectiveness | High, due to advanced performance | Moderate, lower initial cost | Higher, material-driven |
Permanent Magnets: Ideal for high-performance magnet applications, such as electric motors, magnetic couplings, and magnetic assemblies.
Magnetic Sensors: Widely used in automotive, aerospace, and industrial sectors for precise magnetic measurements.
Transformers: Used in electrical transformers and other electromagnetic components where high magnetic performance is essential.
Electromagnetic Devices: Perfect for devices requiring stable and efficient magnetic fields, such as inductors, solenoids, and electromagnets.
Precision Instruments: Applied in high-accuracy instruments requiring stable and reliable magnetic properties.


Superior Magnetic Properties: High induction and low coercivity ensure efficient and reliable performance in a variety of applications.
Exceptional Durability: Designed to resist harsh environmental factors such as temperature fluctuations, moisture, and corrosion.
Customizable Sizes: Available in various sizes, allowing customization to meet specific requirements for different applications.
Stable Performance: The precision manufacturing process guarantees consistent magnetic performance over time.
Cost-Effective: Long-lasting and durable, reducing the need for frequent replacements and lowering overall maintenance costs.



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 contacting information?
A1: We operate Monday to Saturday, from 7:30 AM to 5:00 PM (Beijing time, GMT+08:00). We are closed for public holidays during May 1-3, Oct 1-7, and the Chinese New Year. Feel free to email us during holidays for any inquiries.
Q2: Do you provide free samples?
A2: Yes, we can provide free samples for testing, but the buyer will need to cover shipping costs.
Q3: What are your payment terms?
A3: We accept payments via T/T, L/C, D/A, D/P, Western Union, MoneyGram, and Paypal.
Q4: What is the lead time for samples?
A4: The typical lead time for samples is 7 days after payment confirmation.
Q5: Can these alloys be used in high-temperature environments?
A5: Yes, 3J53, 3J58, and S3J47 alloys are designed to maintain stable magnetic properties in high-temperature environments, making them ideal for industrial applications that involve heat and temperature variations.
Q6: Are these alloys suitable for use in outdoor or corrosive environments?
A6: Yes, these alloys offer excellent resistance to environmental factors such as oxidation and corrosion, making them suitable for use in harsh outdoor or chemical environments.
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