Our 1J79 Mumetal Bar is a high-performance iron-nickel alloy engineered for superior magnetic shielding in electronics. With approximately 79% nickel, balanced with iron and trace elements, this alloy delivers exceptional magnetic permeability (up to 0.12 H/m) and ultra-low coercivity (0.03 Oe). It’s the ideal choice for shielding sensitive electronics, high-frequency transformers, and sensors, ensuring top-notch protection and efficiency in industries like telecom and medical technology.
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The soft magnetic materials market is thriving, fueled by the rapid growth of electronics, 5G telecommunications, and medical devices. As devices become more compact and sensitive to electromagnetic interference, alloys like 1J79 Mumetal are critical for their shielding capabilities and low-loss performance. Market trends project strong growth through 2030, with electronics, telecom, and automotive sectors driving demand. We tackle challenges like material precision with advanced vacuum melting and precision forging, delivering bars that meet the highest 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 |
- |
|
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 |
- |
|
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 Mumetal Bar excels in critical shielding and magnetic applications:
-
Magnetic Shielding: Protects sensitive electronics in telecom, medical, and automotive systems from electromagnetic interference.
-
High-Frequency Transformers: High permeability and low core losses ensure efficient power transfer in compact designs.
-
Sensors: High sensitivity supports precise magnetic field detection in industrial and medical applications.
-
Inductors and Chokes: 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 1J79 Mumetal Bar sets the industry benchmark. Using cutting-edge vacuum induction melting and precision forging, we achieve unmatched magnetic permeability and low core losses. 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 superior workability and durability. We also provide free samples (shipping costs apply) and top-tier customer support to keep your projects on track.
Comparison Table
|
Parameter |
Our 1J79 Mumetal Bar |
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 (shielding optimized) |
Moderate |
|
Curie Temperature |
410°C |
350-380°C |
|
Yield Strength |
270-330 MPa |
240-300 MPa |
|
Processing |
Vacuum melting, custom sizes |
Standard processing |
|
Lead Time |
15-20 days |
25-35 days |
|
Quality Certification |
ISO 9001 |
Varies |
Why Choose Our 1J79 Mumetal Bar?
Our 1J79 Mumetal Bar is built for excellence, delivering superior magnetic shielding and high-frequency performance for electronics. With decades of expertise, we’ve perfected our production process to offer a reliable, cost-effective solution. Whether you’re shielding sensitive telecom gear or designing efficient transformers, our bars provide the precision and durability you need. Contact us today to see how our 1J79 Mumetal Bar can elevate your electronic projects!
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 1J79 Mumetal Bar made of?
It’s an iron-nickel alloy with ~79% nickel, iron, and trace elements, optimized for magnetic shielding. -
What are the key properties of 1J79 Mumetal?
It offers high permeability (0.12 H/m), low coercive force (0.03 Oe), and ultra-low core losses. -
Which industries use 1J79 Mumetal Bars?
Electronics, telecom, medical, automotive, and renewable energy sectors rely on it for shielding and sensors. -
Is 1J79 Mumetal suitable for magnetic shielding?
Yes, its high permeability makes it ideal for protecting electronics from electromagnetic interference. -
What forms do you offer for 1J79 Mumetal?
We supply bars, rods, sheets, and custom shapes tailored to your specifications. -
How does 1J79 Mumetal improve shielding performance?
Its high permeability redirects magnetic fields, ensuring reliable protection for sensitive electronics. -
“Is it suitable for high-frequency applications?
Absolutely, its low core losses make it perfect for high-frequency transformers and inductors.
-
How can I request a sample?
Contact us for a free sample (buyer covers shipping), typically delivered within 15 days of payment.
