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 Cobalt 3J22 Precision Alloy Strip is a high-performance material designed for elastic spring applications. This alloy, which is part of the cobalt-iron alloy family, is engineered for superior mechanical properties and excellent elasticity. Known for its high tensile strength, flexibility, and resistance to wear and corrosion, the 3J22 alloy is ideal for precision engineering, especially in the production of springs that require reliable elasticity and long-lasting durability.
This precision alloy strip maintains its shape and mechanical properties even under repetitive stress and temperature fluctuations, making it a go-to solution in high-performance applications across various industries, including aerospace, automotive, and industrial machinery.
High Elasticity and Resilience
The 3J22 alloy offers exceptional elasticity, making it ideal for applications that involve repeated loading and unloading, such as in elastic springs. The strip retains its shape and mechanical properties after prolonged stress, ensuring long-term reliability.
Superior Mechanical Strength
This alloy strip provides high tensile strength, offering excellent performance in load-bearing applications. It is resistant to deformation, even under high mechanical stress, ensuring that components made from 3J22 remain intact and reliable.
Corrosion Resistance
The Cobalt 3J22 alloy is resistant to oxidation and corrosion, making it suitable for use in harsh environments where components are exposed to extreme conditions, such as in aerospace or marine applications.
Precise Dimensions and Smooth Finish
Manufactured with precision, the 3J22 alloy strip features consistent dimensions and a smooth surface finish. This ensures the alloy is suitable for high-precision applications in various industries where accuracy is critical.


Parameter | 3J22 Cobalt-Based 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 | High-temperature springs, actuators | General springs | Springs, electronics |
Cost-Effectiveness | High, due to durability | Moderate, lower initial cost | Higher, material-driven |
Elastic Springs in Aerospace
The 3J22 Precision Alloy Strip is commonly used in the aerospace industry, where high-performance elastic springs are required for parts such as actuators, valves, and other components that are exposed to constant stress and extreme conditions.
Automotive Suspension Systems
In the automotive industry, 3J22 alloy strips are used to produce durable, high-strength springs and shock absorber components that can withstand high-pressure environments and provide consistent performance.
Precision Engineering and Industrial Machinery
Due to its high mechanical properties and resilience, the 3J22 precision alloy is an excellent material for industrial machinery that requires precise, reliable spring components. It is used in various machines where durability and resistance to wear are critical.
Medical Devices
This alloy is also used in the production of high-performance components in medical devices, where precision, durability, and resistance to corrosion are required, such as in medical springs and sensors.

The Cobalt 3J22 Precision Alloy Strip is carefully manufactured using advanced techniques to ensure that it meets stringent quality standards. The alloy undergoes precise alloying, controlled cooling, and finishing processes to ensure that it maintains consistent mechanical properties and precise dimensions throughout its length. Rigorous testing is carried out to verify its strength, elasticity, and corrosion resistance.

Benefits of Cobalt 3J22 Precision Alloy Strip
Reliable Performance in High-Stress Applications
The 3J22 Precision Alloy Strip is designed to provide dependable performance even in high-stress, high-temperature environments, making it a preferred choice for demanding applications.
Long Service Life
Due to its exceptional strength, corrosion resistance, and elasticity, the 3J22 alloy ensures a long service life, reducing the need for frequent replacements and minimizing maintenance costs.
Versatility Across Industries
This high-performance alloy strip is highly versatile, making it suitable for various industries, including aerospace, automotive, medical, and industrial engineering.



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 the composition of the Cobalt 3J22 Precision Alloy Strip?
A1: The Cobalt 3J22 Precision Alloy Strip is composed primarily of cobalt and iron, offering excellent mechanical properties such as high tensile strength, resilience, and corrosion resistance.
Q2: What industries use the Cobalt 3J22 Precision Alloy Strip?
A2: This alloy strip is widely used in aerospace, automotive, medical, and industrial engineering industries for applications requiring durable and elastic spring components.
Q3: Can the Cobalt 3J22 Alloy Strip be customized?
A3: Yes, the Cobalt 3J22 alloy strip can be customized in terms of thickness, width, and surface finish to meet the specific needs of your application.
Q4: What is the advantage of using Cobalt 3J22 for springs?
A4: The Cobalt 3J22 Precision Alloy Strip offers high elasticity, superior mechanical strength, and corrosion resistance, making it an ideal choice for springs that require long-lasting durability and reliable performance.
Q5: What are your payment terms and lead times?
A5: We accept various payment methods including T/T, L/C, and PayPal. The typical lead time for samples is 7 days after payment confirmation, and bulk orders may take longer depending on the quantity and specifications.
Q6: Where is the Cobalt 3J22 Alloy Strip manufactured?
A6: The Cobalt 3J22 Precision Alloy Strip is manufactured in Jiangsu, China, where we maintain strict quality control to ensure each product meets industry standards.
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