Welcome to Jiangsu DLX alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of high temperature alloys, precision alloys and Incoloy,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Precision Alloy Strip
Product Details

1J79 , 1J85 Permalloy tape strip foil materials are advanced soft magnetic alloys designed for high-performance applications where precise magnetic control is essential. These alloys are part of the Permalloy family, which is well-known for its exceptional soft magnetic properties, making them ideal for use in industries such as electronics, telecommunications, automotive, and aerospace.
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 | - |
High Magnetic Permeability
One of the primary features of 1J79 and 1J85 is their high magnetic permeability, which allows for efficient magnetic flux conduction. This property makes them perfect for applications that require precise control of magnetic fields, such as in transformers, inductors, and magnetic sensors.
Low Coercivity
These alloys exhibit low coercivity, meaning they can be magnetized and demagnetized with minimal effort. This makes them ideal for use in applications where frequent changes in magnetic fields are required, such as in magnetic shielding and signal processing.
Excellent Saturation Magnetization
1J79 and 1J85 alloys can handle significant magnetic flux densities without reaching saturation. This ensures that they maintain optimal magnetic performance even in demanding environments.
Corrosion and Oxidation Resistance
These alloys are highly resistant to corrosion and oxidation, ensuring a long service life even in challenging environmental conditions. This makes them particularly useful in applications exposed to harsh industrial environments or high humidity.
Superior Mechanical Properties
Alongside their magnetic performance, 1J79 and 1J85 alloys offer excellent mechanical strength, durability, and stability, ensuring long-term performance in critical applications where reliability is essential.


The 1J79 and 1J85 Permalloy tape strip foil materials are widely used in various industries requiring precise magnetic control and durability. Key applications include:
Electrical Engineering
These alloys are commonly used in transformers, inductors, and electromagnetic relays, where high magnetic permeability and low coercivity are essential for efficient energy transfer and magnetic field control.
Telecommunications
1J79 and 1J85 are crucial in telecommunications systems for applications such as magnetic shielding, signal processing, and antenna components. Their ability to efficiently manipulate magnetic fields without saturation ensures stable and high-performance communication systems.
Automotive Industry
In the automotive sector, these alloys are used in sensors, actuators, and fuel injection systems, where high precision in magnetic control is required. Their corrosion resistance makes them suitable for use in harsh automotive environments, ensuring long-lasting performance.
Aerospace
The aerospace industry relies on 1J79 and 1J85 for use in sensitive guidance systems, magnetic sensors, and communication equipment, where stability and precision are critical. These alloys provide reliable performance even in extreme conditions such as high altitudes and fluctuating temperatures.
Magnetic Shielding
Due to their high permeability and low coercivity, these alloys are ideal for magnetic shielding applications, protecting sensitive equipment from electromagnetic interference (EMI) and maintaining optimal performance in electronics and medical devices.


High Magnetic Permeability: The alloys' superior ability to conduct magnetic flux makes them ideal for applications requiring efficient energy transfer and stable magnetic fields.
Low Coercivity: These materials can be easily magnetized and demagnetized, making them suitable for applications that require quick changes in magnetic field direction.
Durability and Longevity: With excellent corrosion resistance and oxidation resistance, 1J79 and 1J85 alloys are perfect for long-lasting performance in harsh conditions.
Versatility: These alloys can be manufactured in various forms, such as strips, foils, and tapes, to meet the specific needs of different industries.
Packaging: The 1J79 and 1J85 Permalloy materials are packaged securely to prevent damage during transit. We provide customized packaging options to meet the specific requirements of our customers.
Shipping: We offer fast and reliable shipping, ensuring timely delivery of your orders. Tracking information will be provided once your order has been dispatched, and we strive to deliver your materials in perfect condition.



CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.



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. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
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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Q: What are the main applications of 1J79 and 1J85 Permalloy alloys?
A: These alloys are primarily used in electrical engineering, telecommunications, automotive, and aerospace applications, as well as in magnetic shielding and sensor components.
Q: Can I customize the form of the alloy material?
A: Yes, 1J79 and 1J85 alloys can be provided in a variety of forms, including strips, foils, and tapes, tailored to meet your specific requirements.
Q: What is the lead time for receiving orders?
A: Lead time typically ranges from 5-7 days for standard orders, with faster delivery options available upon request.
Q: Do you provide free samples for testing?
A: Yes, we offer free samples for testing purposes. However, customers are responsible for covering the shipping costs.
Q: What are your payment terms?
A: We accept a variety of payment methods, including T/T, L/C, Western Union, PayPal, and MoneyGram, for your convenience.
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