Elastic Alloy 3J21 is a high-performance material known for its excellent elasticity, high strength, and corrosion resistance. This alloy is widely used in various industries, including aerospace, automotive, and electronics, where it serves in critical components exposed to demanding environments. Its unique properties make it ideal for applications requiring flexibility, durability, and high performance.
Product Overview
3J21 is a non-magnetic, corrosion-resistant, and highly elastic special alloy designed specifically for manufacturing elastic components. It excels in high strength, high elasticity, and fatigue resistance, making it widely used in the production of instrument springs and other spring components. This alloy has excellent corrosion resistance and is suitable for use in environments up to 400°C, ensuring stable performance under various conditions.
Features
- Non-magnetic: Nearly non-magnetic, ideal for precision instruments requiring non-magnetic materials.
- High Elasticity: Offers excellent elasticity limits, ensuring long-term stable performance of elastic components.
- Corrosion Resistance: Exceptional resistance to corrosion, suitable for a variety of working environments.
- High Strength: Capable of withstanding large loads due to its high strength.
- Good Fatigue Resistance: Suitable for long-term, high-frequency applications.
Applications
- Instrument Industry: Widely used in the manufacture of spring components for instruments, especially in applications requiring high precision and durability.
- Spring Components: Used in the production of various springs and other elastic components, especially where high strength, corrosion resistance, and elasticity are required.
- Precision Instruments: Ideal for precision instruments that require high elasticity and non-magnetic properties.
P | S | Si | C | Mn | Cr | Co | Ni | Mo | Fe |
Not more than(≤) | |||||||||
0.01 | 0.01 | 0.6 | 0.07-0.12 | 1.7-2.3 | 19.0-21.0 | 39.0-41.0 | 14.0-16.0 | 6.5-7.5 | Balance |
Property | Value |
Density | 8.4 |
Resistivity | 0.92 |
Elastic Modulus | 196000-215500 |
Shear Modulus | 73500-83500 |
Magnetic Permeability | 50-1000 |