1J79 special steel 1J79 seamless pipe professional sales 1J79

 

1J79

 

1J79 characteristics and Applications

 

Various transformers, transformers, magnetic amplifiers, choke coil cores and magnetic shielding operating in weak magnetic fields with high initial permeability.

 

Similar brands:

 

GB/T

 

AISI/ASTM

 

1J79

 

Alloy4

 

Chemical composition:

 

alloy

 

Brand name

 

Chemical composition%

 

C

 

S

 

P

MO

   C

   1J79

   0.015

   0.007

0.005

   0.82

   0.44

   80.3

   0.015

allowance

  4

 

   0.015

Physical properties:

density

 8.6 g/cm³

Curie point

450℃

The alloy has the following characteristics:

 

High saturation magnetic induction soft magnetic 1J79 ferronickel alloy is a kind of nickel alloy with 79-80% content. It has high initial permeability, maximum permeability and low coercivity. 1J79 saturation magnetic induction is greater than 0.75T, initial permeability is greater than 25mH/m, maximum permeability is greater than 125mH/m, and coercivity is less than 2.4A/m.

 

The metallographic structure of 1J79:

 

1J79 alloy is austenite structure.

 

1J79 application areas include:

 

1. Used for making pulse transformer, high sensitive relay, magnetic amplifier, magnetic regulator, current transformer, programmable telephone iron core, electronic meter stepping motor, high precision ammeter, current stop coil, magnetic shield, etc.