1J85 (executive standard GB / T 15018-1994)
Chemical composition of 1J85:
*37329 | % | *30967 | *30827; | *38221; | *38076; | *38108 | *30899 | *38192; | *30789 | 38081; |
1J85 | (a) | td> | 79 | 4.8 | td> | 0.30 | 0.15 | 20313; | ||
(c) | 0.020 | 0.020 | 81 | 5.2. | 0.20 | 0.03 | 0.60 | 0.30 | 37327; |
Physical properties of 1J85:
density
8.75 g/cm3 | |
melting point | 1395-1425℃ |
1J85 annealed state, mechanical properties of the alloy at room temperature:
Alloy state | tensile strength σb (Mpa) | Elongation A5 % | hardness Hv |
1J85 | ≥560 | ≥35 | ≤205 |
This alloy has the following properties:
High saturation magnetic induction soft magnetic 1J85 ferronickel alloy is a kind of nickel alloy containing 79-81%, which has the highest initial permeability, maximum permeability and very low coercive force, and is sensitive to weak signal. 1J85 saturation magnetic induction strength is greater than 0.78t, initial permeability is greater than 30mh / m, maximum permeability is greater than 115mh / m, and coercive force is less than 2.4a/m
Metallographic structure of 1J85:
1J85 alloy is austenitic
The application fields of 1J85 include:
1. Core lamination for DC relay, communication and electronic equipment transformer and choke
2. Magnetic shielding device, part or control element
Products of our company:
&Cold and hot plate forging and hot rolling
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