Our 1J50 permalloy bar is a top pick for magnetic shielding solutions. Made from a nickel-iron blend with hints of silicon and manganese, it offers high magnetic permeability (~8,000) and low coercivity for excellent magnetic field redirection. With a saturation magnetization of ~1.5 T and electrical resistivity of ~4×10⁻⁷ Ω·m, it keeps energy losses low, especially in low-frequency setups. Its mechanical stats—430 MPa tensile strength and 27% elongation—make it durable and easy to machine. Whether you’re shielding sensitive electronics or building precision sensors, our 1J50 bar delivers reliable performance.
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The soft magnetic materials market is booming, projected to reach $125.8 billion by 2031 with a 9.8% CAGR from 2024. The rise of electronics, with global semiconductor sales hitting $574 billion in 2023, is fueling demand for shielding materials to protect sensitive components. Telecommunications, especially 5G infrastructure, needs robust magnetic shielding to ensure signal clarity. Aerospace and scientific research are also driving growth, requiring materials that perform in extreme conditions. With increasing focus on electromagnetic compatibility (EMC), our 1J50 permalloy bar is perfectly suited to meet these industry needs.
Our 1J50 permalloy bar is a versatile performer. In electronics, it’s used for magnetic shielding to protect circuits from interference in devices like smartphones and medical equipment. Telecommunications relies on it for shielding in base stations and antennas, ensuring clean signal transmission. Aerospace applications include sensors and electromagnetic components that demand precision in harsh environments. Scientific research labs use 1J50 in particle accelerators and sensitive instruments to block stray magnetic fields. From transformers to shielding enclosures, this alloy delivers consistent, high-quality results.
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 |
- |
|
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 |
- |
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Comparison Table: 1J50 vs. Other Soft Magnetic Alloys
|
Parameter |
1J50 Permalloy |
Fe-Si Alloy |
High-Ni Permalloy |
Fe-Co Alloy |
|---|---|---|---|---|
|
Magnetic Permeability |
High (~8,000) |
Moderate (~8,000) |
Ultra-High (~100,000) |
High (~10,000) |
|
Saturation Magnetization |
~1.5 T |
~2.0 T |
~0.8 T |
~2.4 T |
|
Electrical Resistivity |
~4×10⁻⁷ Ω·m |
Low (~10⁻⁸ Ω·m) |
Moderate (~6×10⁻⁷ Ω·m) |
Low (~10⁻⁸ Ω·m) |
|
Coercivity |
Low (<800 Am⁻¹) |
Moderate |
Very Low |
Moderate |
|
Tensile Strength |
~430 MPa |
~500 MPa |
~420 MPa |
~600 MPa |
|
Applications |
Shielding, transformers, sensors |
Motors, transformers |
RF transformers, sensors |
High-power motors, aerospace |
|
Cost |
Moderate |
Low |
High |
Very High |
|
Frequency Range |
Quasi-static to 50 kHz |
50 Hz–several hundred Hz |
Up to 1 MHz |
Low to medium frequency |
Our 1J50 permalloy bar stands out for its precision and reliability. Its high permeability and low coercivity make it a top choice for shielding sensitive equipment, offering better performance than many alternatives. We use advanced vacuum melting and precision forging to ensure consistent quality, with customizable heat treatments to match your specific needs. The alloy’s durability and machinability streamline your production process, cutting costs and time. We’re also ahead of the curve, aligning our 1J50 bar with the demands of growing industries like 5G and aerospace. Choosing us means getting a high-performance product backed by innovation and expertise.
Conclusion
Our 1J50 permalloy bar is your go-to for magnetic shielding solutions. With its excellent magnetic properties and robust design, it’s perfect for electronics, telecom, and more. The market’s on the rise, and we’re leading the way with a product that’s precise, durable, and tailored to your needs. Ready to shield your next project? Our 1J50 permalloy bar is the reliable choice you’ve been searching for.

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 the 1J50 permalloy bar made of?
Mostly nickel and iron, with trace amounts of silicon and manganese for enhanced magnetic and mechanical stability. -
What are the key properties of 1J50 permalloy bars?
High magnetic permeability (~8,000), low coercivity, moderate saturation magnetization (~1.5 T), and excellent corrosion resistance. -
What industries use 1J50 permalloy bars?
Electronics, telecommunications, aerospace, and scientific research. -
What are common applications for 1J50 permalloy bars?
Magnetic shielding, transformer cores, sensors, and precision electromagnetic components. -
How does 1J50 enhance magnetic shielding?
Its high permeability redirects magnetic fields effectively, protecting sensitive equipment from interference. -
What are the mechanical strengths of 1J50 permalloy bars?
Tensile strength of ~430 MPa, yield strength of ~260 MPa, and elongation of ~27%. -
How does 1J50 perform in low-frequency applications?
Its low coercivity and high resistivity (~4×10⁻⁷ Ω·m) ensure minimal energy loss in quasi-static to low-frequency environments. -
What manufacturing processes are used for 1J50 permalloy bars?
Precision vacuum melting, forging, and rolling, with tailored heat treatments for optimal magnetic performance.