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Precision alloy

The factory production of precision alloys are mainly suitable for electrical components and hard glass, soft glass, ceramic matching sealed glass sealing alloy, and soft magnetic alloys, flexible alloys, including iron, nickel, cobalt alloy 4J29, iron chromium alloy 4J28 , Fe-Ni alloy 1J36, 1J50, 1J79, 1J80, 3J9, 4J42, 4J50, etc. Specifications include wire, strip, pipe, plate and bar. Alloy using non-vacuum induction furnace, vacuum induction furnace refining, but also can be used to meet other requirements of the smelting method, the demand side of the smelting process requirements, should be specified in the contract.
skills requirement:

Alloy
Grade

Chemical composition%

Remarks

C

P

S

Mn

Si

Cu

Cr

Mo

Ni

Co

Fe

Alloy magnetic properties in line with the provisions of the standard, the chemical composition allows deviation from the standard requirements.



1J36

≤0.03


0.020


0.02


0.06

≤0.20


/


35.0/37.0


1J50

≤0.03


0.020


0.02

0.30/0.60

0.15/0.30

≤0.20

/

/

49.0/50.5

/

1J79

≤0.03


0.020


0.02

0.60/1.10

0.30/0.50

≤0.20


3.80/4.10

78.5/80.0


1J80

≤0.03


0.020


0.02

0.60/1.10

1.10/1.50

≤0.20

2.60/3.00

/

79.0/81.5

/

3J9

0.02/0.26


0.030


0.02

1.80/2.20

1.3/1.70


19.0/20.5

1.60/1.85

9.0/10.5



4J29

≤0.03


0.02


0.02

≤0.50

≤0.30

≤0.20

≤0.20

≤0.20

28.5/29.5

16.8/17.8


4J28

≤0.12


0.02


0.02

≤1.00

≤0.90


27.0/29.0


≤0.50


N≤0.02

4J42

≤0.05


0.02


0.02

≤0.80

≤0.30




41.5/42.5

≤1.0

Al≤0.10

4J50

≤0.05


0.02


0.02

≤0.80

≤0.30




49.5/50.5


Al≤0.10


The 4J29 Al, Mg, Zr and Ti content of not more than 0.10%, the total content of not more than 0.20%, all products require special side, it should be indicated in the contract. All other properties, requirements are based on national standards.
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