expansion alloy 1J85

Domestic and foreign approximate grades

• United States:Permalloy 85
• Germany:Vacoperm 85
• Japan:PC Alloy
• Russia:79 НМ
• England:Mumetal 85

chemical composition
1 J85 alloy is as follows:
-Nickel (Ni): approximately 81%
-Iron (Fe): balance
-Other elements: a small amount of molybdenum (Mo) and manganese (Mn)

physical properties
-Density: 8.75 g/cm & sup3;
-Curie temperature: 430°C
-permeability: Under low field conditions, the initial permeability exceeds 100,000

mechanical properties
-Tensile strength: about 450 MPa
-Yield strength: about 280 MPa
-Ductility: Good, suitable for cold working and forming
-Hardness: HV 150 - 200

Application areas
-Magnetic shielding: Used in environments that require high-precision magnetic shielding, such as laboratory equipment and high-precision electronic instruments.
-Transformers and inductors: Suitable for manufacturing high-frequency low-loss transformers and inductor core materials.
-Magnetic Sensors and Relays: magnetic sensing and signal control components for high sensitivity.
-Aerospace and Defense: Used in equipment and components that require minimal magnetic field interference.

Supply Specifications
-Shape: bar, plate, strip, wire, etc.
-size: customized according to customer needs