Our 1J79 Mumetal Strip is a high-performance iron-nickel alloy designed 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 go-to choice for shielding sensitive electronics, high-frequency transformers, and sensors, ensuring top-notch protection and efficiency in demanding applications like telecom and medical devices.
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The soft magnetic materials market is booming, driven by the rapid growth of electronics, 5G telecommunications, and medical technology. 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 leading the demand. We tackle challenges like material precision with advanced vacuum melting and precision rolling, delivering strips 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 |
- |
|
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 Mumetal Strip 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 Strip sets the industry standard. Using cutting-edge vacuum induction melting and tailored rolling processes, we achieve unmatched magnetic permeability and low core losses. We offer customizable strip widths and thicknesses to fit your exact needs, with lead times as short as 15 days. Our ISO 9001-certified quality control ensures every strip 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 Strip |
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 |
|
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 Strip?
Our 1J79 Mumetal Strip 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 high-efficiency transformers, our strips provide the precision and durability you need. Contact us today to see how our 1J79 Mumetal Strip 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 Strip 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 Strips?
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 sensitive electronics from interference. -
What forms do you offer for 1J79 Mumetal?
We supply strips, 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 electronic components. -
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.
