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 Sheet
Product Details

The 4J32 Iron-Nickel Precision Alloy Plate is a high-performance material designed to offer exceptional soft magnetic properties. Made from premium alloys, it provides high magnetic permeability, ensuring efficient magnetic field transmission and concentration. This alloy plate is engineered to have low hysteresis loss, significantly reducing energy consumption and enhancing overall efficiency.
In addition to its magnetic performance, the 4J32 precision alloy plate exhibits excellent dimensional stability, which ensures reliable performance even under fluctuating environmental conditions. The material also offers good resistance to corrosion, contributing to its durability and long-lasting use.
Versatile and reliable, the 4J32 Iron-Nickel Precision Alloy Plate is ideal for use in industries like electronics, telecommunications, aerospace, and automotive. It is commonly used in the production of components such as transformers, inductors, magnetic shields, and other magnetic devices, ensuring optimal performance in critical applications.
Parameter | 4J32 Super Invar | Standard Invar (36% Ni) | Kovar |
|---|---|---|---|
Composition | 64% Fe, 31% Ni, 5% Co | 64% Fe, 36% Ni | 54% Fe, 29% Ni, 17% Co |
CTE (ppm/°C, 20-100°C) | 0.35–0.63 | 1.2–1.5 | ~5.0 |
Temperature Range | -32°C to 100°C | -50°C to 230°C | -50°C to 400°C |
Curie Temperature | 220°C | 279°C | ~435°C |
Yield Strength (MPa) | ~276 | ~260–300 | ~345 |
Tensile Strength (MPa) | ~483 | ~450–550 | ~520 |
Density (g/cm³) | 8.15 | 8.05 | 8.36 |
Applications | Precision instruments, telescope parts | General precision, clocks, molds | Glass-to-metal seals, electronics |
Machinability | Good, requires slow speeds | Good, easier than Kovar | Moderate, challenging due to hardness |
High Magnetic Permeability: Offers efficient magnetic field transmission, essential for various magnetic applications.
Low Hysteresis Loss: Helps in reducing energy consumption, improving overall efficiency.
Dimensional Stability: Ensures stable performance even under changing environmental conditions.
Corrosion Resistance: Provides durability and long-term reliability, even in challenging environments.
Customization Options: Available in multiple grades and custom sizes to meet specific application needs.


The 4J32 Iron-Nickel Precision Alloy Plate is widely used in several industries where its unique properties deliver exceptional performance:
Electronics Industry: Essential for the production of transformers, inductors, and magnetic shielding materials, offering precise magnetic control for circuit performance.
Telecommunications: Used in the manufacturing of magnetic components for telecommunication devices such as signal amplifiers and transformers.
Aerospace Industry: Due to its stability and magnetic properties, it is used in sensitive aerospace equipment where precise magnetic control is necessary.
Automotive Industry: The alloy is used in motors and transformers, helping to improve performance and efficiency in electric vehicles and other automotive systems.
Energy Sector: Applied in magnetic shielding and electromagnetic devices, crucial in maintaining efficient energy transmission and minimizing energy loss.


At DLX, we offer custom sizes and grades of the 4J32 precision alloy plate to meet specific application needs. Whether you require a specific thickness, surface finish, or dimension, we provide flexible options to accommodate your exact requirements. Our OEM/ODM services allow us to deliver tailor-made solutions to our clients, ensuring they get the best material for their needs.
We offer comprehensive support for all our 4J32 Iron-Nickel Precision Alloy Plate products:
Product Consultation: Our experts assist you in selecting the right material for your specific application, ensuring you get the most suitable solution.
Design Assistance: We provide custom design services for precision alloy plates, ensuring compatibility with your project requirements.
Technical Support: From installation to maintenance, we offer full technical support to ensure proper use and long-lasting performance.
Quality Assurance: We conduct strict quality control, including chemical analysis, mechanical testing, and non-destructive testing, to ensure the highest standards are met.
Product Packaging:
The 4J32 Iron-Nickel Precision Alloy Plate is carefully packaged to prevent any damage during transportation. Each plate is wrapped in protective materials and placed in secure packaging for safe shipping.
Shipping:
We offer free standard shipping for all 4J32 precision alloy plates within the continental United States. Orders are processed within 1-2 business days and shipped via UPS or FedEx, with typical delivery within 5-7 business days. Expedited shipping is available for an additional fee.



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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What is the 4J32 Iron-Nickel Precision Alloy Plate?
The 4J32 Iron-Nickel Precision Alloy Plate is a high-performance material known for its excellent magnetic properties, dimensional stability, and corrosion resistance. It is used in various industries for magnetic shielding, transformers, and inductors.
What industries use the 4J32 alloy plate?
The 4J32 alloy plate is used in electronics, telecommunications, aerospace, automotive, and energy industries, particularly in the manufacturing of magnetic components such as transformers, inductors, and magnetic shields.
Can the 4J32 precision alloy plate be customized?
Yes, we offer custom sizes and grades of the 4J32 precision alloy plate to meet your specific needs. Whether it's a particular thickness or surface finish, we can tailor the product to suit your application.
Where is the 4J32 Iron-Nickel Precision Alloy Plate manufactured?
The 4J32 alloy plate is made in China with stringent quality control processes to ensure high performance and reliability.
What are the benefits of using the 4J32 alloy plate?
The 4J32 precision alloy plate offers excellent magnetic permeability, low hysteresis loss, and corrosion resistance, making it ideal for use in demanding environments where performance and efficiency are critical.
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