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3J01 elastic alloy

Specifications: 3JO1

Implementation standards: YB/T 5256-2011

Certification: ISO9001:2015

Features: high elastic modulus, excellent spring properties, thermal stability, and corrosion resistance.

Product usage: Springs, vibration dampers, electrical contacts, instrumentation, and automotive components

Product form: Wires、bars、strips

MOQ: 200KG

Payment method: T/T、LC

Price: to negotiate

Table of Contents

3J01 elastic alloy Data Sheet


Product Mechanical Property

GradeShapeDelivery StateThickness or Diameter (mm)Tensile Strength Rm (N/mm²)Elongation A (%)
3J01WireCold Draw0.20~3.00≥980

For Tensile Strength Rm (N/mm²) and Elongation A (%):

GradeShapeDelivery StateThickness or Diameter (mm)Tensile Strength Rm (N/mm²)Elongation A (%)
3J01StripCold Rolling0.20~2.5013725
3J01WireCold Draw0.50~5.0014705
3J01RodCold Draw3.0~18.0013725
3J01CircularHot Rolling6.0~25.0117610
3J01CircularHot Forging>25.0~60.0103014
3J01CircularHot Forging>60.080014


For Yield Strength (Yield Strength N/mm²):

GradeDelivery StateThickness (mm)Yield Strength N/mm²
3J01Cold Rolling0.50~2.50980


Customized products

Product TypeDimensionsTypical Delivery Format
Cold-Drawn Wire¢0.3~¢18mm (Diameter)Delivery in rolls or trays
Hot-Rolling Wire¢5.5~¢20mm (Diameter)Delivery in rolls
Stripthickness 0.1~4.5*width 6~350mmSupply in rolls or straight strips
Smooth Forged Rod on a Lathe¢60~350mm (Diameter), L800-2500mm 
Hot-Rolled Burnishing¢20~80mm (Diameter), L1000-5000mm 
Cold Drawn and Burnishing¢2.5~18mm (Diameter), L1000-8000mm 
Seamless Tube¢1~275mm,wall thickness 0.2~30,L1000-8000mm

Advantage of 3J01 elastic alloy

  1. High Elasticity: 3J01 elastic alloy exhibits excellent elasticity, which means it can deform under stress and return to its original shape when the stress is removed. This property is essential in applications where elastic materials are required.

  2. Low Coefficient of Thermal Expansion: 3J01 elastic alloy has a relatively low coefficient of thermal expansion, which means it is less prone to expansion and contraction with changes in temperature. This property makes it stable in varying thermal conditions.

  3. Resistance to Corrosion: 3J01 elastic alloy is often corrosion-resistant, making it suitable for use in environments where exposure to moisture or chemicals may be a concern. This resistance to corrosion helps extend the material’s lifespan.

  4. Magnetic Properties: Depending on the specific composition, 3J01 elastic alloy can exhibit magnetic properties. This feature can be advantageous in applications where magnetism is required, such as sensors or magnetic shielding.

  5. Precision Machining: 3J01 elastic alloy can be precisely machined, making it suitable for applications that require complex shapes and tight tolerances. It can be easily formed and fabricated into various components.

  6. Durability: The alloy’s combination of properties, including elasticity, resistance to corrosion, and stability in different environments, contributes to its overall durability. This makes it a reliable choice for long-lasting applications.

  7. Low Hysteresis Loss: 3J01 elastic alloy can have low hysteresis loss, which means it efficiently converts mechanical energy into elastic deformation and vice versa. This is important in applications like mechanical springs or vibration damping.

It’s important to note that the specific advantages of 3J01 elastic alloy can vary depending on its exact composition and heat treatment. The alloy’s properties can be tailored to suit the requirements of different applications, making it a versatile material in various industries, including electronics, precision instruments, and mechanical engineering.


Applications of 3J01 elastic alloy

3J01 elastic alloy, also known as Ni-Span C 902, is a specialized material with unique properties that make it suitable for a range of applications. Some of the common applications of 3J01 elastic alloy include:

  1. Precision Instruments: 3J01 is often used in precision instruments and devices, such as measurement tools, gauges, and precision balances, due to its high elasticity and stable mechanical properties.

  2. Thermostats: The alloy’s low coefficient of thermal expansion and consistent elastic behavior at different temperatures make it ideal for use in bimetallic thermostats and temperature control systems.

  3. Bellows and Diaphragms: 3J01 is employed in the manufacturing of bellows and diaphragms used in pressure and temperature-sensitive devices, such as pressure sensors and thermal actuators.

  4. Automotive Sensors: The alloy’s reliable elasticity and low hysteresis loss make it suitable for use in automotive sensors, particularly those used in airbag deployment, tire pressure monitoring systems, and fuel injection systems.

  5. Electrical Contacts: Due to its resistance to electrical arc erosion, 3J01 is used in electrical switches, connectors, and relays, where maintaining contact integrity is critical.

  6. Electrical Components: It finds applications in electrical components and circuit breakers, where its stable electrical and mechanical properties are advantageous.

  7. Watch Springs: In watchmaking, 3J01 is used for the springs that regulate the movement of the watch, ensuring precision timekeeping.

  8. Biomedical Devices: The alloy is utilized in medical devices, such as pacemakers, where its stable elastic properties and biocompatibility are essential.

  9. Vibration Damping: 3J01 is employed in vibration dampers and isolation systems, which are used in various industries to reduce vibrations and noise in machinery and equipment.

  10. Aerospace: In aerospace applications, the alloy is used in critical components like actuators and sensors due to its ability to withstand extreme conditions and maintain its performance.

  11. Seals and Gaskets: 3J01 is used in seals and gaskets that require resilience and durability, particularly in high-pressure and high-temperature environments.

  12. Automotive Engineering: It finds applications in automotive engineering for exhaust system components, as it can withstand thermal cycling and vibrations.

  13. Electronic Components: It is used in electronic components like connectors, sockets, and switches due to its stable electrical properties.

3J01 elastic alloy’s combination of high elasticity, low thermal expansion, and resistance to corrosion and electrical arc erosion makes it a valuable material in applications that require precise and reliable performance. It is particularly important in industries where small but consistent movements and reactions to temperature changes are critical.

Other issues you may be concerned about

The three most commonly used alloys are:

  • Steel: Iron alloyed with carbon and other elements.
  • Aluminum Alloys: Various combinations of aluminum with elements like copper, magnesium, and silicon.
  • Brass: Copper alloyed with zinc.

In an iron alloy, the main metal is iron itself. Iron alloys are primarily composed of iron with the addition of other elements, such as carbon, to enhance their properties.

Alloys are broadly categorized into two types:

  • Substitutional Alloys: In these alloys, atoms of the solute element replace or substitute atoms of the solvent element.
  • Interstitial Alloys: Here, smaller atoms of the solute element fit into the interstitial spaces between the atoms of the solvent element.

Six common alloys include:

  • Steel: Iron and carbon, with other alloying elements.
  • Brass: Copper and zinc.
  • Bronze: Copper and tin.
  • Aluminum Alloys: Aluminum with various elements like copper, magnesium, and silicon.
  • Stainless Steel: Iron, chromium, nickel, and other elements.
  • Pewter: Tin, antimony, and copper.

Alloys come in various types, including but not limited to:

  • Steel Alloys
  • Aluminum Alloys
  • Copper Alloys
  • Nickel Alloys
  • Titanium Alloys
  • Brass Alloys
  • Bronze Alloys
  • Zinc Alloys
  • Lead Alloys
  • Magnesium Alloys
  • Pewter Alloys
  • Solder Alloys

Huaxiao Metal Corporation Limited——Professional 3J01 elastic alloy supplier

Choose Huaxiao Metal as your 3J01 elastic alloy supplier for top-quality materials, custom solutions, and a reliable partner in your success. We offer a wide range of metals, industry expertise, competitive pricing, and a customer-centric approach to meet your specific needs. Join hands with us and elevate your projects with excellence.

Send an inquiry now and we will give you a professional quote within 24 hours


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Aluminum does not rust in the traditional sense like iron does, because it lacks iron, which is essential for rust to form. However, aluminum can undergo a process known as aluminum corrosion, which is quite different from rusting. This difference is crucial because while “aluminum rust” is a misnomer, the corrosion of aluminum still involves a reaction with the environment, albeit through a different mechanism.

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