Permalloy Foil

Kunj Sheets and Plates is a reliable manufacturer and supplier of Permalloy Foil based in Chennai, India. Permalloy, a nickel-iron alloy, is well-known for its remarkable magnetic permeability and low coercivity, making it perfect for applications that need magnetic shielding and sensitivity to low fields. We take pride in producing our Permalloy foils with precision and care, offering ultra-thin gauges that meet the highest standards in electronic, aerospace, medical, and communication sectors. At Kunj, we provide custom sizes, top-notch material quality, and consistent performance, making our Permalloy foils the go-to choice for industries that need dependable electromagnetic interference (EMI) solutions.

Permalloy Foil

Permalloy CR Foil

Permalloy Industrial Foil

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Typically, Permalloy Foil consists of about 80% nickel and 20% iron, with the possibility of adding small amounts of molybdenum depending on the specific grade. This alloy boasts very high magnetic permeability, low core loss, and excellent ductility. With a tensile strength of around 450 MPa, it’s soft enough for easy forming and fabrication. The combination of mechanical stability and precise magnetic behavior makes Permalloy perfect for delicate and sensitive components. To enhance its magnetic properties and ensure consistent performance in low-frequency electromagnetic fields, annealing treatments are usually applied.

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

Grade	C	Si	Mn	P	S	Ni	Cr	Mo	Fe
1J50	0.010	0.17	0.35	0.006	0.005	49.80	0.02	——	Bal
1J79	0.010	0.38	0.85	0.005	0.003	79.50	0.02	3.95	Bal
1J85	0.010	0.18	0.35	0.005	0.003	80.30	0.02	4.95	Bal

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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 Chennai, India

Kunj Sheets and Plates based in Chennai, India, 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

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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 Kunj Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@kunjsheetsandplates.co.in.

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Application Industry of Permalloy Foil

Permalloy Foil finds extensive use in electronic devices for magnetic shielding, transformer cores, chokes, and inductor windings. It plays a vital role in telecommunications, medical instruments like MRI systems, and audio equipment by suppressing magnetic interference. In the aerospace and defense sectors, it’s essential for sensitive navigation and guidance systems. Additionally, Permalloy foil is utilized in precision measurement instruments, magnetic sensors, and data storage devices. Its exceptional magnetic response, low hysteresis loss, and EMI shielding capabilities make it an invaluable material for controlling magnetic fields.