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Houston, TX 77041

Permalloy Foil

Nial Sheets and Plates is a trusted manufacturer and supplier located in Houston, USA, focusing on high-quality Permalloy foil for advanced magnetic and shielding applications. Permalloy, a nickel-iron soft magnetic alloy, is well-known for its impressive magnetic permeability and low coercivity, making it perfect for sensitive electronic, medical, and aerospace components. Nial provides Permalloy foil in a range of thicknesses and custom-cut sizes, ensuring tight tolerances and consistent material quality. Catering to demanding industries like defense, telecommunications, and scientific research, Nial guarantees precision, durability, and reliable performance with every Permalloy foil product.

Permalloy Foil

Permalloy CR Foil

Permalloy Industrial Foil

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Table of Contents

Typically, Permalloy foil consists of about 80% nickel and 20% iron, although specific grades can vary. This alloy is celebrated for its outstanding magnetic properties, especially its ability to efficiently concentrate and redirect magnetic flux, which is crucial for effective shielding applications. The foil boasts high magnetic permeability (up to 100,000 or more), low core loss, and minimal hysteresis. Mechanically, it is soft and ductile, with a tensile strength usually around 450–550 MPa, and is often annealed in a hydrogen atmosphere to enhance its magnetic characteristics.

Permalloy Foil Specification

Standard Specification : 
Dimensions :
Sheets Thickness :Range from .008″ to .0125″
Plates Thickness :Ranges from .0125″ to 5.00″
Sheets/Plates Width :1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Sheets/Plates Length :2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Tempers :Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard
Hardness :Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.
Value Added Service :Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc.

Permalloy Foil Chemical Composition

GradeCSiMnPSNiCrMoFe
1J500.0100.170.350.0060.00549.800.02——Bal
1J790.0100.380.850.0050.00379.500.023.95Bal
1J850.0100.180.350.0050.00380.300.024.95Bal

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If You Are Looking To Buy High Quality Piping Products ?

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Largest Permalloy Foil Manufacturer and Exporter in Houston, USA​

Nial Sheets and Plates based in Houston, USA, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes  Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.

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Permalloy foil offers exceptional magnetic properties, including high permeability and low coercion, making it ideal for protection of sensitive electrical components against electromagnetic interference (EMI) Its magnetic shrinkage properties a ideally ensures minimal changes in shape under magnetic influence, increasing the stability. High saturation magnetization of the alloy provides effective power transfer between transformers and inductors. Its corrosion resistance and heat stability make it suitable for harsh environments. The versatility of permalloy foil allows for use in precision instrumentation, medical device and aerospace applications, providing reliability, efficiency and durability in harsh environments.

Types of Permalloy Foil

Permalloy Hot Rolled Foils
Permalloy Cold Rolled Foils
Permalloy HR Foils
Permalloy Shim Foils
Permalloy Polish Foils
Permalloy Foil Roll

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Are Custom Sizes Available for Permalloy Foil?

Yes, we offer custom sizes for Permalloy Foil to meet specific project needs. Our team at Nial Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.

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Application Industry of Permalloy Foil

Permalloy foil is commonly used for electromagnetic interference (EMI) and radio frequency interference (RFI) shielding in sensitive electronic devices, transformers, and magnetic sensors. In the telecommunications and aerospace sectors, it plays a vital role in protecting navigation and communication systems from magnetic distortion. Additionally, it finds applications in MRI shielding within medical settings, precision instruments, audio equipment, and cryogenic environments where low magnetic noise is crucial. Its flexibility, ease of handling, and exceptional magnetic shielding capabilities make Permalloy foil an essential material in situations that demand high-performance magnetic control and protection.

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