1J50 is a nickel–iron soft magnetic alloy known for its outstanding magnetic permeability, low coercivity, and high magnetic saturation. It typically contains around 50% nickel, making it a balanced choice between performance and cost. This alloy provides excellent stability and consistency in magnetic performance, even under mechanical stress or temperature variation. Because of these properties, 1J50 is widely used in magnetic shielding, transformers, sensors, and aerospace components that require precision and reliability.
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1J50 alloy bars are used across multiple industries where precision and stability are critical:
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Aerospace: Magnetic shielding, navigation systems, and motor components.
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Energy sector: Magnetic cores and transformers in power generation and control systems.
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Medical equipment: Sensors and magnetic field regulators.
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Industrial automation: Relays, actuators, and control devices.
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Electronics: Magnetic amplifiers and precision instruments.
|
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 |
|
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 |
- |
|
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 |
- |
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With the increasing demand for high-efficiency electrical systems and advanced magnetic devices, nickel–iron alloys such as 1J50 are seeing renewed interest. Aerospace and renewable energy sectors, in particular, are driving this demand as they seek materials that combine high magnetic performance with long-term stability. Manufacturers are focusing on refining melting and forging processes to improve uniformity and reduce magnetic loss. At DLX, we follow these trends closely, using advanced melting and vacuum refining technologies to ensure every batch meets strict magnetic and mechanical standards.
| Property | 1J50 Alloy Bar | 1J85 Alloy Bar | 1J22 Alloy Bar | 1J75 Alloy Bar |
|---|---|---|---|---|
| Nickel Content (%) | ~50 | ~80 | ~22 | ~75 |
| Magnetic Permeability | High | Very High | Moderate | High |
| Coercivity | Very Low | Extremely Low | Medium | Low |
| Curie Temperature (°C) | ~500 | ~450 | ~700 | ~480 |
| Corrosion Resistance | Good | Excellent | Moderate | Excellent |
| Machinability | Moderate | Low | Good | Moderate |
| Typical Application | Transformers, Sensors | Magnetic Shields, Instruments | Motors, Turbines | Electronics, Aerospace |
| Working Temperature | Up to 500°C | Up to 400°C | Up to 700°C | Up to 500°C |
Article: Understanding the Performance of 1J50 Alloy Bar
At DLX Alloy, we see continuous growth in the demand for precision-engineered magnetic materials. Among these, the 1J50 alloy bar stands out as one of the most dependable options for applications that need magnetic stability, durability, and versatility.
What Makes 1J50 Unique
The 1J50 alloy’s core advantage lies in its nickel–iron composition, designed to offer high permeability and low coercivity. This means it can magnetize easily under a low magnetic field and return to its original state without residual magnetism. This property is particularly important for sensors, magnetic amplifiers, and navigation instruments where signal accuracy depends on material consistency.
Our production process starts with vacuum induction melting (VIM) to ensure purity and precise alloying. Each batch is hot-rolled, annealed, and stress-relieved under controlled atmospheres to eliminate internal stresses that could degrade magnetic properties.
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Aerospace: Modern aircraft and spacecraft rely heavily on magnetic sensors and shields. The 1J50 bar provides the necessary stability and electromagnetic interference (EMI) resistance required in navigation systems.
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Energy Systems: Power transformers and precision relays benefit from its low loss and high saturation magnetization, ensuring minimal energy waste.
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Industrial Manufacturing: In automation systems, it contributes to high-performance actuators and precision controls.
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Medical Equipment: Its magnetic precision supports imaging systems and analytical instruments.
DLX Quality Advantage
At DLX, our commitment to quality begins with raw material selection and continues through every production stage. We implement tight composition control, advanced forging technology, and multiple rounds of non-destructive testing (NDT). Each bar is traceable through a digital production record system, allowing clients full transparency.
Our customers in aerospace and energy sectors often highlight our consistent batch-to-batch performance, which minimizes calibration adjustments and production downtime. Furthermore, DLX’s engineering team provides custom composition and heat-treatment solutions tailored to specific magnetic or mechanical requirements.
The demand for magnetic alloys like 1J50 continues to expand, driven by advances in electric mobility, automation, and energy conversion systems. As industries shift toward more efficient and miniaturized components, materials with stable magnetic responses become indispensable.
At DLX, we are investing in vacuum arc remelting (VAR) and advanced process control systems to enhance grain structure uniformity. This results in even lower coercivity and higher mechanical toughness, positioning 1J50 for next-generation magnetic systems.
Sustainability is also influencing alloy manufacturing. Nickel–iron alloys are fully recyclable, and our production lines are designed to minimize material waste. DLX follows strict environmental management standards to reduce emissions and energy consumption while maintaining competitive production efficiency.
Why Choose DLX for 1J50 Alloy Bars
-
Consistent quality ensured by vacuum melting and controlled heat treatment.
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Customizable bar sizes and tolerances for aerospace and industrial needs.
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Strong R&D support for developing specialized magnetic materials.
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Proven reliability in long-term industrial and energy projects.
All 1J50 bars from DLX undergo extensive quality control, including magnetic property testing, mechanical strength evaluation, and corrosion resistance analysis. We provide full documentation—chemical composition certificates, mechanical test reports, and magnetic performance data—meeting both domestic and international standards.
The 1J50 nickel–iron alloy bar combines high magnetic performance with durability, making it ideal for applications demanding precision and reliability. As industries evolve, materials like 1J50 continue to play a critical role in technological innovation. DLX Alloy remains dedicated to delivering dependable solutions that meet the stringent requirements of aerospace, energy, and industrial engineering clients worldwide.
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 main composition of 1J50 alloy?
It’s primarily made of nickel (~50%) and iron, providing balanced magnetic and mechanical properties. -
Where is 1J50 alloy typically used?
Common in transformers, magnetic sensors, aerospace navigation systems, and precision instruments. -
What are the magnetic properties of 1J50?
It offers high permeability, low coercivity, and stable magnetic saturation up to around 500°C. -
Can 1J50 be customized for specific applications?
Yes. DLX provides customized melting, size, and heat-treatment options based on project requirements. -
Is 1J50 corrosion-resistant?
It has moderate corrosion resistance, which can be improved with surface finishing or protective coatings. -
What is the working temperature range?
It maintains magnetic performance up to about 500°C, suitable for most industrial and aerospace uses. -
How does DLX ensure quality?
We use vacuum melting, advanced testing, and strict process control to maintain consistency. -
Is 1J50 recyclable?
Yes. It’s a fully recyclable nickel–iron alloy that aligns with sustainability goals.
