Our 1J79 Soft Magnetic Plate is a premium iron-nickel alloy designed for efficient transformer designs and high-performance magnetic applications. Composed of approximately 79% nickel, balanced with iron and trace elements, this alloy delivers exceptional magnetic permeability (up to 0.12 H/m), low core losses, and high electrical conductivity. It’s the ideal choice for compact transformers, inductors, and shielding applications, ensuring top efficiency and reliability in demanding electronic systems.
The soft magnetic materials market is growing rapidly, driven by the demand for energy-efficient transformers, telecommunications, and electric vehicle (EV) systems. With industries focusing on compact designs and reduced energy loss, alloys like 1J79 are in high demand for their high conductivity and magnetic performance. Market trends project steady growth through 2030, with electronics, power generation, and automotive sectors leading the way. We address challenges like material precision and cost with advanced vacuum melting and optimized annealing, delivering plates that meet stringent industry standards.
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 |
- |
|
1J50 |
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 |
- |
|
1J79 |
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 |
- |
For more details, pls directly contact us.
-
Transformers: High permeability and low core losses ensure efficient power transfer in compact designs.
-
Inductors and Chokes: Optimized for high-frequency circuits, minimizing energy loss in power electronics.
-
Magnetic Shielding: Protects sensitive electronics in telecom and medical devices from electromagnetic interference.
-
Renewable Energy Systems: Enhances efficiency in inverters and converters for solar and wind energy.
-
Sensors: High magnetic sensitivity supports precise field detection in industrial and automotive systems.
Comparison Table
|
Parameter |
Our 1J79 Soft Magnetic Plate |
Competitor Alloy |
|---|---|---|
|
Magnetic Permeability |
0.12 H/m |
0.08-0.1 H/m |
|
Coercive Force |
0.03 Oe |
0.05-0.2 Oe |
|
Core Loss |
Ultra-low (high-frequency optimized) |
Moderate |
|
Curie Temperature |
410°C |
350-380°C |
|
Yield Strength |
270-330 MPa |
240-300 MPa |
|
Electrical Conductivity |
High (optimized for transformers) |
Moderate |
|
Processing |
Vacuum melting, custom sizes |
Standard processing |
|
Lead Time |
15-20 days |
25-35 days |
|
Quality Certification |
ISO 9001 |
Varies |
Why Choose Our 1J79 Soft Magnetic Plate?
Our 1J79 Soft Magnetic Plate is engineered for efficiency, offering unmatched conductivity and magnetic performance for transformer designs. With decades of expertise, we’ve perfected our production process to deliver a reliable, cost-effective solution. Whether you’re building high-efficiency transformers or shielding sensitive electronics, our plates provide the precision and performance you need. Contact us today to see how our 1J79 Soft Magnetic Plate can power your next project!
Our 1J79 Soft Magnetic Plate stands out in the industry. We use cutting-edge vacuum induction melting and precision annealing to achieve superior magnetic permeability, low core losses, and high conductivity. Our plates are available in custom sizes and thicknesses, tailored to your needs, with lead times as short as 15 days. Backed by ISO 9001 certification, our quality control ensures consistent performance. Our R&D team continuously optimizes the alloy for better workability and efficiency, and we offer free samples (shipping costs apply) with exceptional customer support to keep your projects on track.

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 1J79 Soft Magnetic Plate made of?
It’s an iron-nickel alloy with ~79% nickel, iron, and trace elements, optimized for high conductivity and permeability. -
What are the key properties of 1J79?
It offers high permeability (0.12 H/m), low coercive force (0.03 Oe), low core losses, and high electrical conductivity. -
Which industries use 1J79 Soft Magnetic Plates?
Electronics, power generation, telecom, automotive, and renewable energy sectors rely on it for transformers and shielding. -
Is 1J79 suitable for high-frequency transformers?
Yes, its low core losses and high conductivity make it ideal for high-frequency transformer designs. -
What forms do you offer for 1J79?
We supply plates, sheets, strips, and custom shapes to match your specifications. -
How does 1J79 improve transformer efficiency?
Its high permeability and conductivity reduce energy losses, enabling compact, high-efficiency transformer designs. -
Can it be used for magnetic shielding?
Absolutely, its high permeability effectively redirects magnetic fields to protect sensitive electronics. -
How can I request a sample?
Contact us for a free sample (buyer covers shipping), typically delivered within 15 days of payment.