Our 1J50 Permalloy Bar is a high-performance iron-nickel alloy crafted for high-frequency electromagnetic relays and precision magnetic applications. With roughly 50% nickel, balanced with iron and trace elements, this alloy delivers excellent magnetic permeability (up to 0.025 H/m) and ultra-low coercivity (0.1 Oe). It’s the ideal choice for relays, transformers, and magnetic shielding, ensuring fast switching and reliable performance in industries like electronics and automation.
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The soft magnetic materials market is buzzing, driven by the demand for high-frequency, energy-efficient components in electronics, telecommunications, and automotive sectors. As industries push for compact designs with minimal energy loss, alloys like 1J50 are in high demand for their low coercivity and stable magnetic properties. Market trends project steady growth through 2030, with automation and electronics leading the way. We tackle challenges like material precision with advanced vacuum melting and precision forging, delivering bars that meet the toughest 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.
Our 1J50 Permalloy Bar excels in high-frequency applications:
-
High-Frequency Electromagnetic Relays: Low coercivity ensures fast, reliable switching in automation systems.
-
Transformers: High permeability and low core losses support efficient power transfer in compact designs.
-
Magnetic Shielding: Protects sensitive electronics in telecom and automotive systems from interference.
-
Inductors: Optimized for high-frequency circuits, minimizing energy loss in power electronics.
-
Renewable Energy Systems: Enhances efficiency in inverters and converters for solar and wind energy.
Our 1J50 Permalloy Bar sets the industry benchmark. Using cutting-edge vacuum induction melting and precision forging, we achieve superior magnetic permeability and ultra-low coercivity. We offer customizable bar dimensions to fit your exact needs, with lead times as short as 15 days. Our ISO 9001-certified quality control ensures every bar performs consistently, and our R&D team optimizes the alloy for enhanced durability and workability. We also provide free samples (shipping costs apply) and top-notch customer support to keep your projects on track.
Comparison Table
|
Parameter |
Our 1J50 Permalloy Bar |
Competitor Alloy |
|---|---|---|
|
Magnetic Permeability |
0.025 H/m |
0.018-0.022 H/m |
|
Coercive Force |
0.1 Oe |
0.2-0.4 Oe |
|
Core Loss |
Low (high-frequency optimized) |
Moderate |
|
Curie Temperature |
450°C |
400-420°C |
|
Yield Strength |
300-360 MPa |
270-330 MPa |
|
Processing |
Vacuum melting, custom sizes |
Standard processing |
|
Lead Time |
15-20 days |
25-35 days |
|
Quality Certification |
ISO 9001 |
Varies |

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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We support all kinds of testing:
FAQs
-
What is 1J50 Permalloy Bar made of?
It’s an iron-nickel alloy with ~50% nickel, iron, and trace elements, optimized for high-frequency performance. -
What are the key properties of 1J50?
It offers high permeability (0.025 H/m), low coercive force (0.1 Oe), and low core losses. -
Which industries use 1J50 Permalloy Bars?
Electronics, automation, telecom, automotive, and renewable energy sectors rely on it for relays and shielding. -
Is 1J50 suitable for high-frequency relays?
Yes, its low coercivity ensures fast, reliable switching in high-frequency relay applications. -
What forms do you offer for 1J50?
We supply bars, rods, sheets, and custom shapes tailored to your specifications. -
How does 1J50 improve relay performance?
Its low coercivity and high permeability enable fast, efficient switching in compact relay designs. -
Can it be used for magnetic shielding?
Absolutely, its high permeability 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.
Why Choose Our 1J50 Permalloy Bar?
Our 1J50 Permalloy Bar is built for high-frequency excellence, delivering low coercivity and top-tier magnetic performance for electromagnetic relays. With decades of expertise, we’ve nailed the production process to offer a reliable, cost-effective solution. Whether you’re designing fast-switching relays for automation or shielding electronics in telecom systems, our bars provide the precision and durability you need. Contact us today to see how our 1J50 Permalloy Bar can power your next project!