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

Our Precision Alloy Strip , made from carefully formulated alloys such as nickel-based or iron-based alloys, offers outstanding mechanical and thermal properties. With its high tensile strength, good ductility, and excellent thermal stability, this alloy strip can withstand significant stress and temperature variations. Manufactured with ultra-precise dimensions and a smooth surface finish, it is perfect for use in diverse industries requiring high-performance materials.
The 3J40 and 3J53 elastic alloys, known for their superior elasticity and durability, are commonly used in aerospace, electronics, medical devices, and automotive parts. Their versatility makes them a trusted choice for critical applications, where precision and reliability are paramount. Whether used for connectors in electronics, engine parts in aerospace, or precision components in medical devices, our alloy strip meets the rigorous demands of multiple industries.
High Tensile Strength: The alloy strip offers superior strength, ensuring durability in demanding applications.
Excellent Ductility: Flexible and formable, it can be shaped into intricate components without compromising on strength.
Thermal Stability: It maintains its properties across a wide temperature range, making it ideal for high-temperature environments.
Precision Manufacturing: The alloy strip is manufactured with high precision and a smooth finish, ensuring uniformity and high-quality performance.
Versatility: Ideal for use in various industries, including aerospace, electronics, medical devices, and automotive applications.


Parameter | 3J53 UNS N09902 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 3J53 | Good, varies by alloy |
Hysteresis | Very low, minimal energy loss | Moderate | Moderate to high |
Applications | Relays, resonators, frequency control | General springs | Springs, electronics |
Cost-Effectiveness | High, due to precision performance | Moderate, lower initial cost | Higher, material-driven |
Aerospace: Used in engine parts, where high strength and temperature resistance are essential.
Electronics: Perfect for components like connectors and precision parts, where performance and durability are critical.
Medical: Utilized in medical devices where reliability and precision are crucial for patient safety.
Automotive: Ideal for various automotive parts, offering strength and flexibility for high-stress environments.

Alloying and Melting: The raw materials are carefully alloyed to the precise composition and melted in high-temperature furnaces.
Rolling and Shaping: The molten alloy is rolled and shaped into the desired strip dimensions, ensuring high precision and smoothness.
Heat Treatment: The alloy strip undergoes heat treatment to improve mechanical properties, such as tensile strength and ductility.
Finishing: After rolling, the strip is finished with polishing or coating to enhance its surface quality and resistance to wear and corrosion.

Superior Elasticity: The 3J40/3J53 alloys are known for their excellent elasticity, making them perfect for precision parts that require flexibility without sacrificing strength.
Durability: The materials are designed to withstand high stress, temperature fluctuations, and environmental conditions, offering long-lasting performance.
Customizable Sizes: Our precision alloy strips are available in custom sizes to meet the specific needs of your project.
High-Quality Manufacturing: Our rigorous manufacturing process ensures that every strip meets industry standards for performance and reliability.



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 is your working time and contacting information?
Monday-Saturday: 7:30 AM - 5:00 PM (Beijing Time, GMT+08:00)
We observe public holidays from May 1-3, Oct 1-7, and during the Chinese New Year. Please email us during these holidays if you have any inquiries.
Do you provide free samples?
Yes, we offer free samples for testing, though the buyer is responsible for the shipping costs.
What are your payment terms?
T/T, L/C, D/A, D/P, Western Union, MoneyGram, PayPal.
What is your lead time?
Sample lead time is typically 7 days after payment confirmation. For normal orders, lead times range from 10 to 30 days depending on the order quantity.
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