1J79 Alloy Permalloy 80 For Precision Magnetic Components / Transformers

1J79 Alloy: High Initial Permeability Alloy For Precision Magnetic Components And Transformers

1J79 Alloy Product Description:

1J79 alloy, also known as Permalloy 80, is a high-performance magnetic alloy recognized for its exceptional initial permeability and low coercivity. Composed primarily of iron (Fe), nickel (Ni), cobalt (Co), and silicon (Si), this alloy exhibits precise magnetic properties that are stable over a wide temperature range.

Key Features:

• Magnetic Properties: 1J79 alloy offers high initial permeability and low coercivity, ensuring efficient magnetic response and minimal energy loss.
• Mechanical Properties: It possesses good ductility and moderate strength, facilitating ease of fabrication and reliability in applications.
• Electrical Resistivity: Exhibits low electrical resistivity, making it suitable for electromagnetic applications.
• Thermal Stability: With a low thermal expansion coefficient and a Curie temperature typically around 450°C, the alloy maintains stable magnetic characteristics under varying temperatures.
• Applications: Widely used in precision magnetic components such as cores for transformers, magnetic shielding, sensors, and other electromagnetic devices where accurate magnetic performance is critical.

Applications:

• Transformers: Utilized in transformer cores to enhance efficiency and reduce magnetic losses.
• Magnetic Shielding: Applied in sensitive electronic equipment to prevent electromagnetic interference (EMI).
• Sensors and Actuators: Used in sensors and actuators requiring precise magnetic properties for accurate operation.
• Electromagnetic Devices: Employed in relays, switches, and other components where stable and efficient magnetic performance is essential.

1J79 alloy's combination of high initial permeability, mechanical robustness, and thermal stability makes it a preferred choice in industries such as telecommunications, automotive, and industrial manufacturing, where stringent magnetic performance requirements are paramount.

Here is the composition table for 1J79 alloy (Permalloy 80):

• stainless steel series 304, 304L, 321, 316L, 317L, 309s, 310s,904L,410, 420, 430, 441, 409, 436, 441, 439, 630,etc.
• Duplex stainless steel series 2205, 2507​,etc.
• HastelloyC-276, B-2, C-2000,etc.
• Nickel-based alloy series Inconel625, 718, Incoloy825, 800H, Monel400,etc.
• Superalloy series GH4169, GH3625,GH3030,GH3044,GH2747,GH3128,GH4145,GH230,GH163, etc.
• Soft magnetic alloy series 1j85, 4J36 4J29 4J33 1J50 1J22 1J85, etc.
• Copper-nickel alloy series NCu40-2-1 plates, tubes, bars, profiles and forgings.

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