
Our 1J79 soft magnetic wire is a high-performance nickel-iron alloy designed to power efficient transformers with top-notch magnetic properties. With its ultra-high permeability and low core losses, it’s the go-to choice for industries like electronics, telecommunications, and renewable energy. Let’s dive into what makes this wire a game-changer, explore its role in today’s fast-evolving markets, and highlight why our company is your best partner for this advanced material.
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Our 1J79 soft magnetic wire is a precision-crafted alloy with ~80% nickel and the balance iron, engineered for superior magnetic performance. It boasts an initial permeability of up to 100,000, low coercivity (2–8 A/m), and very low core losses, making it perfect for power transformers. Available in diameters from 0.1mm to 2.0mm and in soft or annealed conditions, this wire is fully customizable to fit your project’s specs. Whether you’re designing high-efficiency transformers or shielding sensitive electronics, our 1J79 wire delivers unmatched performance and reliability.
The soft magnetic materials market is thriving, driven by the surge in renewable energy, smart electronics, and telecommunications. Demand for high-permeability, low-loss alloys like 1J79 is skyrocketing as industries prioritize efficient, compact components for power transformers. Market trends show strong growth in the soft magnetic sector, with renewable energy and electronics leading the charge for materials that optimize energy transfer. Aerospace and automotive industries also rely on these alloys for precision and durability. With advancements in precision manufacturing, our 1J79 wire is perfectly positioned to meet these cutting-edge demands.
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 | - |
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 | - |
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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Our 1J79 soft magnetic wire excels in a range of high-efficiency applications:
Power Transformers: Its high permeability and low core losses ensure efficient energy transfer in high-performance transformers.
Inductors: The wire’s excellent magnetic properties make it ideal for compact inductors in telecom and power systems.
** مقدارية مغناطيسية**: Near-zero magnetostriction and high permeability provide superior protection for sensitive electronics.
Sensors: Used in precision magnetic sensors for aerospace and automotive applications, it delivers consistent accuracy.
Renewable Energy: It boosts efficiency in inverters and transformers for solar and wind energy systems, supporting green tech.
This wire’s versatility makes it a critical component for industries chasing efficiency and performance.
Comparison Parameters Table
Parameter | 1J79 Soft Magnetic Wire | Lower-Nickel Alloys | Silicon Steel |
|---|---|---|---|
Initial Permeability | Up to 100,000 | 10,000–40,000 | 500–2,000 |
Magnetic Saturation (T) | 0.8 | 1.4–1.8 | 1.8–2.0 |
Coercive Force (A/m) | 2–8 | 10–20 | 50–100 |
Core Loss | Very Low | Low–Moderate | High |
Resistivity (μΩ·m) | 0.55 | 0.50–0.60 | 0.47–0.50 |
Magnetostriction (10⁻⁶) | Near Zero | 10–25 | 10–30 |
Applications | Transformers, shielding, sensors | Relays, inductors | Power transformers |
Transformer Efficiency | Superior | Moderate | Low–Moderate |
When it comes to 1J79 soft magnetic wire, we’re ahead of the curve. With over 20 years of expertise in high-performance alloys, we control every stage of production—from alloy formulation to precision annealing—ensuring top-notch quality. We offer tailored solutions, customizing wire sizes and tempers to fit your transformer and shielding designs. Our rigorous testing meets global standards like ASTM A753, and we provide free samples (with buyers covering shipping) to let you test our wire’s performance. With fast lead times—samples in 10–15 days—and a global supply chain, we keep your projects on track. Our deep expertise in transformer applications and precision manufacturing gives you a competitive edge.
Why Choose Our 1J79 Soft Magnetic Wire?
Our 1J79 soft magnetic wire is built for industries that demand high permeability, low core losses, and reliable performance in power transformers. From efficient energy transfer to robust shielding, it’s designed to power your most advanced projects. Backed by our expertise, customization options, and commitment to quality, we’re here to help you succeed. Ready to optimize your transformer designs? Contact us today to explore how our 1J79 wire can drive your success.





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 soft magnetic wire made of?
It’s a nickel-iron alloy with ~80% nickel, iron, and trace elements, optimized for high permeability and low core loss.What makes 1J79 wire unique?
It offers ultra-high initial permeability (up to 100,000), low coercivity (2–8 A/m), and low core losses for efficient transformers.What are the main applications of 1J79 wire?
It’s used in power transformers, inductors, magnetic shielding, and sensors in electronics, telecom, and energy sectors.How does 1J79 wire perform in power transformers?
Its high permeability and low core losses ensure efficient energy transfer, ideal for high-performance transformers.Can 1J79 soft magnetic wire be customized?
Yes, we offer custom diameters (0.1mm–2.0mm) and tempers (soft or annealed) to meet specific project needs.Which industries rely on 1J79 wire?
Electronics, telecommunications, renewable energy, aerospace, and automotive sectors use it for high-efficiency components.How does 1J79 wire compare to other alloys?
It outperforms lower-nickel alloys and silicon steel with higher permeability and lower core losses for transformers.Is 1J79 wire suitable for high-frequency applications?
Definitely, its low core losses and high permeability make it ideal for high-frequency transformer designs.