When it comes to precision sensing technologies, magnetic shielding, and advanced instrumentation, materials matter. One of the alloys that plays a critical role in these fields is 1J85, also known under the AFNOR NF T54-851 standard. This nickel-iron soft magnetic alloy strip is engineered for demanding applications where high magnetic permeability and low coercivity are essential.
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1J85 is a nickel-iron soft magnetic alloy containing around 80% nickel with the balance being iron. This composition provides extremely high magnetic permeability, excellent magnetic softness, and low coercive force. Its performance is significantly higher than standard electrical steels, making it ideal for specialized applications where precision magnetic properties are required. The density is approximately 8.7 g/cm³, and it can operate effectively at temperatures up to 500°C.
Alloy Composition Table
|
Alloy Grades |
C |
S |
P |
Mn |
Si |
Ni |
Cr |
Co |
Mo |
Cu |
Al |
Nb |
Fe |
Other Elements |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1J06 |
0.04 |
0.015 |
0.015 |
≤0.10 |
≤0.15 |
- |
- |
- |
- |
- |
5.5-6.5 |
- |
Rest |
- |
|
1J12 |
0.03 |
0.015 |
0.015 |
≤0.10 |
≤0.15 |
- |
- |
- |
- |
- |
11.6-12.4 |
- |
Rest |
- |
|
1J17 |
0.03 |
0.02 |
0.02 |
≤0.60 |
≤0.20 |
- |
15.5-16.5 |
- |
- |
- |
- |
- |
Rest |
- |
|
1J18 |
0.03 |
0.02 |
0.02 |
0.3-0.7 |
≤0.15 |
0.5-0.7 |
17-18.5 |
- |
- |
- |
- |
- |
Rest |
Ti: 0.3-0.7 |
|
1J22 |
0.04 |
0.02 |
0.02 |
≤0.3 |
≤0.3 |
≤0.5 |
- |
49-51 |
- |
≤0.2 |
- |
- |
Rest |
V: 0.8-1.8 |
|
1J30 |
0.04 |
0.02 |
0.02 |
≤0.40 |
≤0.30 |
29.5-30.5 |
- |
- |
- |
- |
- |
- |
Rest |
- |
|
1J36 |
0.03 |
0.02 |
0.02 |
≤0.60 |
≤0.20 |
35.0-37.0 |
- |
- |
- |
- |
- |
- |
Rest |
- |
|
1J38 |
0.03 |
0.05 |
0.02 |
0.3-0.6 |
0.15-0.3 |
37.5-38.5 |
12.5-13.5 |
- |
- |
- |
- |
- |
Rest |
- |
|
1J46 |
0.03 |
0.02 |
0.02 |
0.6-1.1 |
0.15-0.3 |
45.0-46.5 |
- |
- |
- |
≤0.2 |
- |
- |
Rest |
- |
|
0.03 |
0.02 |
0.02 |
0.3-0.6 |
0.15-0.3 |
49-50.5 |
- |
- |
- |
≤0.2 |
- |
- |
Rest |
- |
|
|
1J51 |
0.03 |
0.02 |
0.02 |
0.3-0.6 |
0.15-0.3 |
49-50.5 |
- |
- |
- |
≤0.2 |
- |
- |
Rest |
- |
|
1J54 |
0.03 |
0.02 |
0.02 |
0.3-0.6 |
1.1-1.4 |
49.5-51 |
3.8-4.2 |
- |
- |
≤0.2 |
- |
- |
Rest |
- |
|
1J76 |
0.03 |
0.02 |
0.02 |
0.3-0.6 |
0.15-0.3 |
75.0-76.5 |
1.8-2.2 |
- |
- |
4.8-5.2 |
- |
- |
Rest |
- |
|
1J77 |
0.03 |
0.02 |
0.02 |
0.3-0.6 |
0.15-0.3 |
75.5-78 |
- |
- |
3.9-4.5 |
4.8-6.0 |
- |
- |
Rest |
- |
|
0.03 |
0.02 |
0.02 |
0.6-1.10 |
0.3-0.5 |
78.5-80.0 |
- |
- |
3.8-4.1 |
≤0.2 |
- |
- |
Rest |
- |
|
|
1J80 |
0.03 |
0.02 |
0.02 |
0.6-1.10 |
1.1-1.5 |
79.0-81.5 |
2.6-3.0 |
- |
- |
≤0.2 |
- |
- |
Rest |
- |
|
1J85 |
0.03 |
0.02 |
0.02 |
0.3-0.60 |
0.15-0.3 |
79.0-81.0 |
- |
- |
4.8-5.2 |
≤0.2 |
- |
- |
Rest |
- |
|
1J87 |
0.03 |
0.02 |
0.02 |
0.3-0.6 |
≤0.3 |
78.5-80.5 |
- |
- |
1.6-2.2 |
- |
- |
6.5-7.5 |
Rest |
- |
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The demand for soft magnetic alloys such as 1J85 has been growing steadily, driven by rapid advancements in electronics, aerospace engineering, automotive systems, and medical devices. As sensors become more integrated in modern technology, materials like 1J85 have gained importance because of their ability to deliver high accuracy and consistency in magnetic environments.
In the automotive industry, the shift towards electric vehicles has further fueled the demand for precise magnetic components used in current sensors, magnetic shielding, and power electronics. Aerospace applications also rely on such alloys for stability and reliability in navigation systems and communication devices. In consumer electronics, 1J85 strips are widely applied in sensors and magnetic shielding to enhance device performance and reduce interference.
Applications of 1J85 Alloy Strip
-
Sensors: High-precision sensors for current detection, magnetic field measurement, and signal processing.
-
Transformers: Especially in instruments requiring low core loss and stable permeability.
-
Magnetic Shielding: Used in sensitive electronic environments to reduce magnetic interference.
-
Precision Instruments: For medical devices, aerospace navigation, and communication equipment.
-
Aerospace Systems: Navigation, guidance, and control systems that demand stable magnetic performance.
Company Comparison and DLX Advantage
In today’s market, many suppliers can provide nickel-iron alloys, but few match the reliability, customization, and quality consistency that DLX delivers. We have established ourselves as a trusted partner by focusing on:
-
Strict Quality Control: Every strip undergoes rigorous testing for composition, magnetic properties, and mechanical stability.
-
Customization Capabilities: DLX can process 1J85 alloy strips into coils, sheets, or custom-cut parts based on customer requirements.
-
Stable Supply Chain: Our production facilities and logistics ensure reliable delivery timelines, essential for industries with tight schedules.
-
Technical Support: We provide engineering assistance to help clients optimize the use of 1J85 in their specific applications.
-
Global Reach with Local Service: While we supply to industries worldwide, our customer support ensures fast response and tailored service.
Compared to generic suppliers, DLX positions itself as more than a material provider—we are a partner in development. Whether it’s for a new aerospace project, a medical innovation, or next-generation automotive systems, DLX delivers solutions that align with long-term performance and reliability goals.
Comparison Table
| Parameter | 1J85 Soft Magnetic Alloy | Conventional Electrical Steel |
|---|---|---|
| Composition | ~80% Ni, balance Fe | Fe with Si (~3%) |
| Magnetic Permeability | Very high | Medium |
| Coercive Force | Very low | Higher |
| Density | ~8.7 g/cm³ | ~7.6 g/cm³ |
| Saturation Induction | ~0.8 T | ~2.0 T |
| Corrosion Resistance | Good | Moderate |
| Max Operating Temp | ~500°C | ~350°C |
| Applications | Sensors, shielding, transformers | Motors, transformers, generators |
Looking forward, the market for soft magnetic alloys like 1J85 will continue to grow. The key trends include:
-
Expansion of sensor technology in automotive and industrial automation.
-
Increasing demand for EMI and magnetic shielding in electronics.
-
Rising adoption of lightweight and high-efficiency materials in aerospace.
-
Miniaturization of devices, which requires precise and stable magnetic materials.
DLX is well-positioned to meet these challenges. By continuously investing in process innovation and material research, we ensure our customers always receive the highest-performing solutions for their projects.
Conclusion
The 1J85 soft magnetic nickel-iron alloy strip (AFNOR NF T54-851) is a vital material for sensor applications and precision industries. Its high permeability, low coercive force, and stability make it indispensable in modern technology. DLX not only supplies 1J85 strips but also ensures customers receive tailored, high-quality products with the support they need to succeed. Choosing DLX means choosing reliability, precision, and long-term partnership.
About Us:
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.
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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FAQs
-
What is 1J85 alloy mainly made of?
Nickel and iron. -
What is the main property of 1J85 alloy?
High magnetic permeability. -
What applications use 1J85 strips?
Sensors, transformers, magnetic shielding, precision instruments. -
What is the typical operating temperature of 1J85?
Up to 500°C. -
How does 1J85 compare to common electrical steels?
Better magnetic softness and higher permeability. -
What industries rely on 1J85?
Electronics, aerospace, automotive, instrumentation. -
What is the density of 1J85?
About 8.7 g/cm³. -
Why choose DLX for 1J85 alloy supply?
Stable quality, reliable delivery, custom processing.
