1J80 soft magnetic alloy

1j80 iron-nickel soft magnetic alloy with high initial magnetic permeability. Used for making various transformers operating in weak magnetic fields. Mutual inductors. Magnetic amplifiers, choke cores and magnetic shields, etc.

1J80 iron-nickel soft magnetic alloy 1J80 alloy chemical composition: C:≤0.03 P:≤0.020 S:≤0.020 Mn:0.6~1.10 Si:1.10~1.50 Ni:79~81.5 Cr:2.60~3.00 CU: ≤0.20 Fe:Balance Physical properties (annealed state) Specific gravity: 8.74 g/cm Density:0.316lb/in3 Average specific heat: 0.1180 Curie temperature: 860 F(461 C) Melting distance: 2650°F (1472°C) Coefficient of resistance: 21.1°C 580.0 70°F, 349.0 Thermal Conductivity:34.60 Coefficient of thermal expansion: 13 C x 10-6 30 & 204 C Modulus of elasticity: 871°C annealed, tensile 31.4*103 Cold drawn, tensile condition 33.7*103 ksi 1177°C, hydrogen annealed, in tension 33.3*103 Magnetic properties Coercive magnetic force: 0.637 to 1.59 Magnetic flux: 200,000 Magnetic permeability: 200000 Residual magnetic induction: 0.3500 T Hysteresis loss: 1.80E-6 to 2.40E-6 Examples of main properties and applications: 1j80 iron-nickel soft magnetic alloy with high initial magnetic permeability. It is used to make transformers of all kinds that operate in weak magnetic fields. Transformer. Magnetic amplifiers, choke cores and magnetic shields, etc. Lean mainly sells iron-nickel alloys, soft magnetic alloys, Permalloy alloys, high temperature alloys, expansion alloys, fungible alloys, Yin steel alloys, corrosion resistant alloys, pure nickel, pure iron, round bar, plate and strip wholesale.