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 3J40 and 3J53 Precision Alloy s are high-performance materials engineered for exceptional mechanical and thermal properties. These alloys are manufactured with a focus on precision, offering high tensile strength, excellent ductility, and outstanding thermal stability. These features allow the strips to endure both mechanical stress and extreme temperature changes, making them suitable for a wide range of demanding applications across multiple industries.
With their ultra-precise dimensions and smooth surface finish, 3J40 and 3J53 Precision Alloy Strip s are perfect for use in aerospace, electronics, automotive, and medical industries. Whether used in engine components in aerospace, connectors in electronics, or medical devices, these strips meet the rigorous standards for performance and reliability.
Parameter | 3J40 Corrosion-Resistant Strip | Standard Spring Steel | Stainless Steel (e.g., SUS301) |
|---|---|---|---|
Yield Strength (MPa) | Up to 2,500 | 1,500–2,000 | 1,000–1,800 |
Elastic Modulus (GPa) | ~185, constant across temperatures | ~200 | ~193 |
Corrosion Resistance | Excellent, ideal for harsh 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 3J40 | Good, varies by alloy |
Hysteresis | Very low, minimal energy loss | Moderate | Moderate to high |
Applications | Springs, actuators, automation | General springs | Springs, electronics |
Cost-Effectiveness | High, due to durability | Moderate, lower initial cost | Higher, material-driven |
High Tensile Strength
These alloys exhibit high tensile strength, which allows them to withstand substantial stress and mechanical load without deformation, ensuring reliable performance in critical applications.
Excellent Ductility
3J40 and 3J53 alloys offer excellent ductility, meaning they can be shaped and stretched without breaking. This property is crucial for applications requiring intricate designs or components that undergo bending or stretching.
Thermal Stability
These alloys maintain their mechanical properties even under high-temperature conditions, ensuring that they can withstand thermal cycling and harsh environments, such as those found in aerospace and automotive applications.
Precision Manufacturing
3J40 and 3J53 strips are produced with ultra-precise dimensions, ensuring that they meet the most stringent specifications. Their smooth surface finish also reduces friction, making them ideal for applications requiring minimal surface resistance.
Versatile Applications
These precision alloy strips are highly versatile and can be used across various industries, including aerospace, electronics, automotive, and medical, offering excellent performance in all environments.


Aerospace Industry
In aerospace, 3J40 and 3J53 alloys are used in the manufacture of engine components and other parts that require thermal stability and high mechanical strength. These alloys ensure reliable performance in high-stress and high-temperature conditions.
Electronics Industry
In electronics, 3J40 and 3J53 strips are commonly used for connectors, switches, and precision sensors. Their good ductility and electrical conductivity make them ideal for manufacturing small, highly reliable components that perform under fluctuating conditions.
Medical Devices
These alloys are also used in the medical industry, where biocompatibility, strength, and reliability are critical. 3J40 and 3J53 are used for manufacturing components such as surgical tools, implants, and medical instruments that require precise mechanical properties and resistance to stress.
Automotive Industry
In the automotive sector, 3J40 and 3J53 alloys are utilized for engine parts, fuel systems, and sensors. Their ability to withstand extreme temperatures and mechanical stress makes them essential for ensuring long-lasting performance in the demanding automotive environment.


High Mechanical Strength: Both alloys offer high tensile strength, ensuring durability in high-stress environments.
Thermal Resistance: The alloys maintain their mechanical properties even at high temperatures, making them ideal for aerospace, automotive, and electronic applications.
Precision and Flexibility: Manufactured with precise dimensions, these alloys offer both flexibility and resilience, allowing them to be tailored to meet the exact specifications of various industries.
Corrosion Resistance: 3J40 and 3J53 alloys offer resistance to oxidation and corrosion, ensuring long-term performance in challenging conditions.
Wide Range of Applications: These precision alloy strips are perfect for aerospace, electronics, automotive, and medical industries, meeting the diverse requirements of high-performance applications.
Packaging: 3J40 and 3J53 alloy strips are packaged securely to prevent damage during transit. We offer custom packaging options, including wooden boxes or plastic wrapping, to ensure the material arrives in perfect condition.
Shipping: We ensure fast and reliable shipping, with tracking information provided once the order has been dispatched. Shipping costs depend on the weight and destination, and we strive to offer the most cost-effective options for our customers.



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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Q: What are the main applications of 3J40 and 3J53 alloys?
A: These alloys are used in aerospace, electronics, automotive, and medical devices where high mechanical strength, thermal stability, and ductility are required.
Q: Can I customize the size of the alloy strips?
A: Yes, 3J40 and 3J53 alloys can be customized to meet your specific size, shape, and application requirements.
Q: What is the typical lead time for orders?
A: Lead time is generally 7 days for sample orders, with larger orders or custom requests requiring additional time.
Q: Do you offer free samples for testing?
A: Yes, we provide free samples for testing purposes. Customers are responsible for the shipping costs.
Q: What payment methods do you accept?
A: We accept multiple payment methods, including T/T, L/C, Western Union, PayPal, and MoneyGram.
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