new material
Elastic Alloy 3J40 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
3J40 is a high-performance elastic alloy specifically designed for the production of instrument shaft tips and small shafts. It features high elastic limits, proportional limits, and endurance limits, while exhibiting low elastic aftereffect, hysteresis, and stress relaxation. This alloy also has a low elastic modulus temperature coefficient and a high mechanical quality factor, making it ideal for precision components that require high elasticity and durability.
Features
- High Elasticity: Offers high elastic limits and endurance limits, suitable for high-precision elastic components.
- Non-magnetic: Almost non-magnetic, meeting the requirements for precision instruments.
- Shock and Wear Resistance: Excellent shock and wear resistance, ensuring long-term stable use.
- Low Stress Relaxation: Low stress relaxation properties, suitable for precision applications.
Applications
- Instrumentation: Primarily used for producing shaft tips and small shafts in instruments and devices.
- Precision Machinery: Suitable for precision machinery components requiring high elasticity, wear resistance, and shock absorption.
- High-Precision Elastic Components: Widely used in equipment and instruments that require accurate elastic performance.
| C | P | S | Mn | Si | Fe | Cr | Al | Ce | Ni |
| Not more than(≤) | |||||||||
| 0.03 | 0.01 | 0.01 | 0.1 | 0.2 | 0.5 | 39.0-41.0 | 3.30-3.50 | 0.10-0.20 | Balance |
| Form | Alloy Coefficient of Thermal Expansion (βf)/（10-6 ℃） | |||||
| 20-55℃ | 20-100℃ | 20-200℃ | 20-300℃ | 20-400℃ | 20-500℃ | |
| Solid Solution | 12.2-12.7 | 12.4-12.5 | 12.6-12.8 | 13.0-13.1 | 13.5-13.6 | 13.8-14.0 |
| Solid Solution + Aging | 11.0-11.5 | 11.9-12.0 | 12.0-12.2 | 12.4-12.5 | 12.7-12.8 | 13.1-13.3 |
| Cold Drawn + Aging | 11.6 | 12 | 12.1 | 12.4 | 12.8 | 13.3 |
