1J85 soft magnetic alloy has extremely high initial and maximum magnetic permeability, extremely low coercive force and low saturation magnetic induction, so it is often used in high-sensitivity and small power transformers, magnetic amplifiers, relays, chokes, magnetic shielding, various tape-wound cores, cut cores and laminated cores used in weak magnetic induction.

1J85 soft magnetic alloy

Chemical composition (%)

C: ≤0.03

Si: ≤0.15~0.3

Mn: ≤0.30~0.6

S: ≤0.02

P: ≤0.02

Ni: 79.0~81.0

Fe: remainder

Cu: ≤0.20

Mo: 4.8~5.2

Physical properties:

Density: 8.75g/cm3

Resistivity 0.56μΩ?m

Hardness (HB): 130-240

Coefficient of thermal expansion: 0.5×10-6/℃

Main features: high initial permeability and relatively high maximum permeability, extremely low coercive force and low loss value.

Examples of use: micro precision current transformer, leakage protector.

1J85 product forms: plates, strips, tubes, rods, forgings, wires, wires, cakes, rings, foils, pipe fittings, flanges, standard parts and welding materials, etc.

Implementation standards: (American ASTM, ASM, EAMS, UNS, AISI, Japanese JIS, Chinese GB, German DIN, EN, VDM...)

1J85 corrosion-resistant alloy→→→→American 1J85 bar—|1J85 round bar,

1J85 nickel-based alloy→→→→Japanese 1J85 coil—|1J85 rolled plate,

1J85 high nickel alloy→→→→German 1J85 wire—|1J85 round plate,

1J85 corrosion-resistant alloy→→→special steel 1J85 forgings—|1J85 rough round,

1J85 high temperature alloy→→→Five Factory 1J85 flange—|1J85 Precision plate,

1J85 nickel-chromium-iron alloy→→→Baosteel 1J85 round steel—|1J85 cold-drawn rod,

1J85 high-resistance alloy→→→Daye 1J85 steel pipe—|1J85 seamless pipe,

1J85 hot bimetallic alloy→→Fushun 1J85 strip—|1J85 precision strip,

1J85 high-temperature alloy for welding→→Laigang 1J85 seamless pipe—|1J85 cold-drawn pipe,

1J85 nickel-chromium-iron alloy element number→→Hangzhou Steel 1J85 capillary tube—|1J85 precision tube,

1J85 cast high-temperature alloy steel→→Shanghai Steel 1J85 electroslag steel ingot 1J85 medium and thick plate,