new material
Soft Magnetic Alloy 1J21 is a high-performance material known for its excellent magnetic properties, high saturation magnetic induction intensity, and medium magnetic permeability. This alloy is widely used in various industries, including aerospace, electronics, and communications, where it serves in critical components exposed to demanding environments. Its unique properties make it ideal for applications requiring strong magnetic performance, durability, and high performance.
Product Overview
1J21 is a high-saturation magnetic induction iron-cobalt-nickel soft magnetic alloy, featuring a high Curie point and magnetostrictive coefficient. This alloy is ideal for applications requiring high magnetic performance. It exhibits excellent properties in terms of hysteresis loss and magnetostriction, making it the ideal material for electromagnetic and vibration systems.
Key Features
- High Saturation Magnetic Induction: Provides strong magnetic performance.
- High Curie Point: Offers good heat resistance.
- High Magnetostrictive Coefficient: Enhances the alloy’s magnetic properties, making it suitable for complex magnetic environments.
Applications
- Electromagnetic Core Heads: Used in high-performance electromagnets.
- Magnetron End Weld Pipes: Ensures stable magnetic performance in high-frequency applications.
- Telephone Headphone Vibration Membranes: Provides precise magnetic force control in audio devices.
- Torque Motor Rotors: Used in motors to improve efficiency.
- Magnetostrictive Transducer Cores: Applied in high-precision vibration and sound conversion systems.
| Alloy grade | Chemical composition（Mass Fraction）% | |||||||||
| C | Mn | Si | P | S | Cu | Ni | Co | V | Fe | |
| 1J21 | ≤0.03 | ≤0.30 | ≤0.20 | ≤0.02 | ≤0.02 | ≤0.20 | ≤0.15 | 49.00~51.00 | 0.80~1.20 | Balance |
| 1J22 | ≤0.04 | ≤0.30 | ≤0.30 | ≤0.020 | ≤0.020 | ≤0.20 | ≤0.50 | 49.0~51.0 | 0.80~1.80 | Balance |
| R30005 | ≤0.025 | ≤0.15 | ≤0.15 | ≤0.015 | ≤0.010 | / | ≤0.25 | 47.5~49.5 | 1.75~2.10 | Balance |
