| Brand: | DLX |
| siteweb: | https://www.dlx-alloys.com/ |
| Price: | Negotiable |
| Min.Order: | |
| Supply | |
| Delivery: | Shipment within 3 days since the date of payment |
| Address: | China Jiangsu |
| Valid until: | Never Expire |
| Updated on: | 2026-01-08 09:27 |
| Views: | 5 |
NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China

The 3J01 and 3J21 Elastic Alloys are high-performance materials known for their exceptional elasticity and stability under varying mechanical stresses and temperatures. These alloys are ideal for aerospace precision instruments, where consistent and reliable material performance is crucial. The 3J series alloys offer excellent elasticity, making them suitable for applications in precision components that require high resilience and minimal dimensional changes over time.
Elasticity and Flexibility
The 3J01 and 3J21 alloys are specifically designed to offer outstanding elasticity. They maintain their structural integrity under stress and offer minimal deformation, making them ideal for precision components used in aerospace instruments.
High Stability Under Varying Temperatures
These alloys perform reliably across a broad temperature range, demonstrating high thermal stability. This property ensures that the materials will not lose their mechanical properties even in the most extreme conditions encountered in aerospace applications.
Low Coercivity and High Magnetic Permeability
The 3J series alloys exhibit high magnetic permeability and low coercivity, which allows for precise control of magnetic fields. This makes them ideal for use in components like sensors, actuators, and other magnetic shielding applications in aerospace and electronics.
Superior Mechanical Properties
The 3J01 and 3J21 alloys provide excellent mechanical properties, including high yield strength and good fatigue resistance, making them suitable for use in high-stress aerospace environments.
Versatility in Manufacturing
The alloys are available in elastic alloy plates, offering versatility for various fabrication processes. They are easy to machine and shape, ensuring seamless integration into complex aerospace components.


The 3J01 and 3J21 Elastic Alloy Plates are widely used in several industries and applications, particularly in areas requiring precision and reliability under harsh conditions:
Aerospace: Due to their excellent elasticity and thermal stability, the 3J01/3J21 alloys are widely used in aerospace precision instruments, such as actuators, sensors, and structural components in aircraft.
Electronics: The alloys are used in electronic devices that require high magnetic permeability, such as transformers, inductors, and magnetic shielding components, to ensure efficient magnetic flux conduction and fast response times.
Precision Instruments: The alloys are ideal for precision components used in high-performance instruments, including measuring devices, sensors, and actuators, where dimensional stability and elasticity are critical.
Automotive Industry: With their superior mechanical properties, these alloys are also used in automotive applications that require high-performance materials, such as in sensors and actuators exposed to varying stresses.


Enhanced Durability
The alloys offer exceptional resistance to fatigue and wear, ensuring a long service life even under extreme conditions of mechanical stress and temperature fluctuations.
High Performance in Harsh Environments
With their ability to withstand extreme temperatures and mechanical stresses, the 3J01/3J21 alloys are perfect for aerospace and other high-performance applications.
Superior Elasticity
These alloys maintain their elasticity under stress, offering minimal deformation and excellent performance in precision instruments where dimensional accuracy is crucial.
Magnetic Performance
The low coercivity and high magnetic permeability make these alloys highly effective in applications that involve magnetic field manipulation, such as sensors and actuators.
Customizability
The 3J01/3J21 alloys can be customized in terms of size, shape, and thickness to meet the specific requirements of different applications, providing flexibility for various industrial uses.
|
Parameter |
3J21 High-Elasticity Strip |
Standard Spring Steel |
Stainless Steel (e.g., SUS301) |
|---|---|---|---|
|
Yield Strength (MPa) |
Up to 3,000 |
1,500–2,000 |
1,000–1,800 |
|
Elastic Modulus (GPa) |
~200 |
~200 |
~193 |
|
Corrosion Resistance |
Excellent, ideal for harsh conditions |
Moderate, needs coatings |
Excellent, chromium-based |
|
Temperature Range (°C) |
-40 to +200 |
-20 to +150 |
-50 to +300 |
|
Fatigue Resistance |
Outstanding, millions of cycles |
Good, but lower than 3J21 |
Good, varies by alloy |
|
Hysteresis |
Low, minimal energy loss |
Moderate |
Moderate to high |
|
Applications |
Diaphragms, springs, actuators |
General springs |
Springs, electronics |
|
Cost-Effectiveness |
High, due to longevity |
Moderate, lower initial cost |
Higher, material-driven |
Our 3J01/3J21 Elastic Alloy Plates are carefully packaged to ensure safe transportation and delivery. Each plate is securely wrapped and protected during shipping to prevent any damage.
Packaging: The alloy plates are packaged in protective material and shipped in sturdy containers to prevent damage during transport.
Shipping: We offer both domestic and international shipping options. All orders are processed promptly, with a standard delivery time of 7-10 business days.



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 are the main applications of the 3J01/3J21 elastic alloy plates?
A1: The 3J01 and 3J21 elastic alloy plates are primarily used in aerospace applications, including precision instruments, sensors, actuators, and components requiring excellent elasticity, mechanical strength, and high thermal stability.
Q2: What is the price per kilogram of the 3J01/3J21 elastic alloy plate?
A2: The price of the 3J01 and 3J21 elastic alloy plates depends on the order quantity and specific requirements. Please contact us for a detailed quotation based on your needs.
Q3: Are the 3J01/3J21 elastic alloy plates available in custom sizes?
A3: Yes, we offer customization services for the 3J01 and 3J21 elastic alloy plates. We can supply these alloys in different thicknesses and dimensions to meet your specific project requirements.
Q4: What is the lead time for orders?
A4: For standard orders, the lead time is typically 7-10 days. Custom orders may require additional processing time based on specifications.
Q5: Do you provide free samples for testing?
A5: Yes, we can provide free samples for testing. However, the buyer is responsible for shipping costs associated with sample delivery.
Q6: What are your payment terms?
A6: We accept various payment methods, including T/T, L/C, D/A, D/P, Western Union, MoneyGram, and PayPal. Please contact us for more details on payment options.