Our 1J79 High Permeability Alloy Bar is a top-tier iron-nickel alloy designed for sensitive magnetic sensor systems. 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 perfect choice for high-sensitivity sensors, transformers, and magnetic shielding, ensuring precise performance in industries like aerospace, electronics, and telecommunications.
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The soft magnetic materials market is booming, driven by the demand for high-precision sensors and compact electronics in aerospace, 5G telecommunications, and automotive industries. As devices become more sensitive to magnetic fields, alloys like 1J79 are critical for their high permeability and low energy loss. Market trends forecast robust growth through 2030, with electronics and IoT applications leading the way. 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 |
- |
|
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 High Permeability Alloy Bar excels in high-sensitivity applications:
-
Magnetic Sensors: High permeability ensures precise magnetic field detection in aerospace and automotive systems.
-
High-Frequency Transformers: Low core losses support efficient power transfer in compact designs.
-
Magnetic Shielding: Protects sensitive electronics in telecom and medical devices from electromagnetic interference.
-
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 High Permeability Alloy Bar sets the industry standard. Using cutting-edge vacuum induction melting and precision forging, we achieve superior 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 enhanced sensitivity and durability. We also provide free samples (shipping costs apply) and top-notch customer support to keep your projects on track.
Comparison Table
|
Parameter |
Our 1J79 Alloy 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 (sensor 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 High Permeability Alloy Bar?
Our 1J79 High Permeability Alloy Bar is built for precision, delivering unmatched magnetic sensitivity and low core loss for sensor systems. With decades of expertise, we’ve perfected our production process to offer a reliable, cost-effective solution. Whether you’re designing high-sensitivity sensors for aerospace or shielding electronics in telecom systems, our bars provide the performance and durability you need. Contact us today to see how our 1J79 High Permeability Alloy Bar can elevate your next project!

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 High Permeability Alloy Bar made of?
It’s an iron-nickel alloy with ~79% nickel, iron, and trace elements, optimized for high permeability. -
What are the key properties of 1J79?
It offers high permeability (0.12 H/m), low coercive force (0.03 Oe), and ultra-low core losses. -
Which industries use 1J79 Alloy Bars?
Aerospace, electronics, telecom, automotive, and renewable energy sectors rely on it for sensors and shielding. -
Is 1J79 suitable for sensitive magnetic sensors?
Yes, its high permeability and low coercivity ensure precision in sensor applications. -
What forms do you offer for 1J79?
We supply bars, rods, sheets, and custom shapes tailored to your specifications. -
How does 1J79 improve sensor performance?
Its high permeability and low losses enable accurate, high-sensitivity detection in compact 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.