
In advanced electronics, aerospace, and precision instrumentation, the performance of magnetic materials can determine the reliability of the final product. Among the high-performance soft magnetic materials available today, 1J85 precision alloy strip, standardized as GOST 29NK, is one of the most trusted. With its exceptional magnetic softness, high permeability, and low coercivity, 1J85 is engineered for applications where stability and efficiency are non-negotiable.
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1J85 is a nickel-iron alloy containing approximately 80% nickel with the balance iron. This composition ensures superior soft magnetic properties, delivering outstanding magnetic permeability and low coercive force. Its density is about 8.7 g/cm³, and it can withstand working conditions up to 500°C, making it suitable for demanding environments. Compared to ordinary silicon steels, 1J85 offers significantly better precision and reliability.
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 | - |
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 global shift toward high-efficiency and miniaturized devices has elevated the importance of precision alloys like 1J85. In the electronics industry, high-frequency components such as transformers, inductors, and magnetic cores demand materials that reduce energy loss while ensuring consistent performance. Aerospace applications rely on alloys like 1J85 to maintain magnetic stability in navigation and control systems, where accuracy is crucial.
The automotive sector, especially with the rise of electric and hybrid vehicles, increasingly requires high-precision magnetic components to enhance power management and sensing systems. Meanwhile, the medical field uses 1J85 strips in imaging devices and precision instruments, ensuring accuracy and durability. These growing industries highlight the steady demand for materials like 1J85, and suppliers who can guarantee consistent quality have a competitive edge.
Applications of 1J85 Precision Alloy Strip
Magnetic Cores: Ideal for high-frequency transformers and inductors where high permeability and low loss are essential.
High-Frequency Components: Used in communication devices, aerospace electronics, and advanced instrumentation.
Sensors: Critical for current detection, magnetic field measurement, and signal processing.
Transformers: Suitable for instrument transformers requiring stability and low core loss.
Magnetic Shielding: Applied in environments where interference reduction is essential for device performance.
Company Comparison and DLX Advantage
While multiple suppliers can provide nickel-iron alloys, DLX sets itself apart through consistent quality, customization, and technical expertise. Our customers value us not just as a material supplier but as a long-term partner who understands their industry challenges.
Here’s how DLX delivers unmatched advantages:
Consistent Quality Assurance: Every batch of 1J85 is carefully tested to meet strict performance standards for composition, permeability, and coercivity.
Customization Services: We supply 1J85 in strips, coils, or custom-cut forms tailored to the exact specifications of your project.
Reliable Delivery: With stable production capacity and an efficient logistics network, DLX ensures your supply chain runs smoothly.
Technical Support: Our engineers provide detailed guidance on optimizing the use of 1J85 for your applications, reducing design and production risks.
Global Reach, Local Understanding: We serve industries worldwide while adapting to the unique requirements of each client, ensuring flexibility and trust.
Compared to generic suppliers, DLX focuses on building value into every partnership. We don’t just ship material; we deliver performance, reliability, and innovation support.
Comparison Table
| Parameter | 1J85 Precision Alloy (GOST 29NK) | 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 | Magnetic cores, sensors, high-frequency parts | Motors, transformers, generators |
As the demand for cleaner energy, smarter electronics, and lighter aerospace materials increases, 1J85 precision alloy strip will continue to play a vital role. Several key trends are shaping the market:
Expansion of high-frequency and precision devices in aerospace and defense.
Increased demand for miniaturized sensors in automotive and consumer electronics.
Rising need for electromagnetic shielding in communication systems.
Growth in electric vehicle production driving the need for high-efficiency magnetic components.
By aligning with these trends, DLX is prepared to help customers stay ahead. Through continuous improvement and material innovation, we ensure that our 1J85 precision alloy strip meets both current and future requirements of the industry.
Conclusion
1J85 precision alloy strip (GOST 29NK) stands out as a critical material for magnetic cores and high-frequency components. Its high permeability, low coercivity, and thermal stability make it indispensable for industries like electronics, aerospace, automotive, and medical technology. DLX supplies more than just material—we deliver solutions that combine consistent quality, customization, and reliable service. For projects that require precision and long-term performance, DLX is the trusted partner for 1J85 alloy strips.




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.
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FAQs
What is the main composition of 1J85 precision alloy?
Nickel and iron.What standard does 1J85 GOST 29NK follow?
GOST 29NK.What is the primary feature of 1J85?
High magnetic permeability.What applications use 1J85 strips?
Magnetic cores, high-frequency components, sensors, transformers.What is the working temperature of 1J85?
Up to 500°C.What industries rely on 1J85?
Electronics, aerospace, automotive, medical devices.What is the density of 1J85?
About 8.7 g/cm³.Why choose DLX for 1J85 alloy supply?
Reliable quality, flexible customization, strong technical support.