Our 1J79 and 1J85 Permalloy Plates are top-notch iron-nickel alloys designed for telecom equipment requiring exceptional magnetic permeability and low core losses. With 1J79 containing ~79% nickel and 1J85 ~85% nickel, balanced with iron and trace elements, these alloys deliver high permeability (up to 0.12 H/m for 1J79 and 0.15 H/m for 1J85) and minimal hysteresis losses. They’re perfect for high-frequency transformers, inductors, and magnetic shielding, ensuring reliable performance in demanding telecom applications.
The soft magnetic materials market is booming, driven by the rapid expansion of telecommunications, 5G infrastructure, and high-frequency electronics. As telecom equipment demands higher efficiency and compact designs, alloys like 1J79 and 1J85 are in high demand for their superior magnetic properties. Market trends forecast strong growth through 2030, with telecom, electronics, and renewable energy sectors leading the way. We tackle challenges like processing precision with advanced vacuum melting and optimized annealing, delivering plates that meet the strictest industry standards.
Our 1J79 and 1J85 Permalloy Plates excel in key telecom and electronics applications:
-
High-Frequency Transformers: High permeability and low core losses ensure efficient power transfer in compact designs.
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Inductors and Chokes: Optimized for high-frequency circuits, minimizing energy loss in telecom systems.
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Magnetic Shielding: Protects sensitive telecom equipment from electromagnetic interference.
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Signal Processing Components: Enhances performance in filters and amplifiers for reliable signal transmission.
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Renewable Energy Systems: Supports efficient inverters and converters in telecom backup power systems.
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.
Our 1J79 and 1J85 Permalloy Plates lead the pack. We use state-of-the-art vacuum induction melting and precision annealing to achieve unmatched magnetic permeability and low core losses. Our plates come in custom sizes and thicknesses, tailored to your specs, with lead times as short as 15 days. Backed by ISO 9001 certification, our quality control ensures consistent performance. Our R&D team continuously refines these alloys for better workability and durability, and we offer free samples (shipping costs apply) with top-tier customer support to keep your projects on track.
Comparison Table
|
Parameter |
Our 1J79 Permalloy Plate |
Our 1J85 Permalloy Plate |
Competitor Alloy |
|---|---|---|---|
|
Magnetic Permeability |
0.12 H/m |
0.15 H/m |
0.08-0.1 H/m |
|
Coercive Force |
0.03 Oe |
0.02 Oe |
0.05-0.2 Oe |
|
Core Loss |
Ultra-low (high-frequency optimized) |
Ultra-low (high-frequency optimized) |
Moderate |

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 are 1J79 and 1J85 Permalloy Plates made of?
1J79 has ~79% nickel, 1J85 has ~85% nickel, with iron and trace elements, optimized for high permeability. -
What are the key properties of 1J79 and 1J85?
1J79 offers 0.12 H/m permeability and 0.03 Oe coercive force; 1J85 provides 0.15 H/m permeability and 0.02 Oe coercive force, both with low core losses. -
Which industries use 1J79 and 1J85 Permalloy Plates?
Telecom, electronics, renewable energy, and automotive sectors rely on them for transformers and shielding. -
Are 1J79 and 1J85 suitable for high-frequency applications?
Yes, their ultra-low core losses make them ideal for high-frequency telecom transformers and inductors. -
What forms do you offer for 1J79 and 1J85?
We supply plates, sheets, strips, and custom shapes to meet your specifications. -
How do 1J79 and 1J85 improve telecom equipment efficiency?
Their high permeability and low losses enable compact, high-efficiency designs for transformers and shielding. -
Can they be used for magnetic shielding?
Absolutely, their high permeability effectively redirects magnetic fields to protect sensitive telecom components. -
How can I request a sample?
Contact us for a free sample (buyer covers shipping), typically delivered within 15 days of payment.