4J36(invar36)

Time:2019-08-14

Similar grade:

GB/T

UNS

AISI/ASTM

W.Nr

4J36

K93600

Invar36

1.3912

 

chemical composition:

brand

%

Ni

Fe

C

Mn

Si

P 

S 

4J36

max

35

margin


0.2




min

37

0.05

0.6

0.3

0.02

0.02

 

Physical properties:

density

8.1 g/cm³

Melting point

1430

 

The minimum mechanical properties of the alloy at room temperature:

Alloy grade

Tensile Strength Rm N/mm²

Yield Strength Rp0.2

N/mm²

Elongation A5

%

Brinell hardness

HB

Invar 36

490

240

42

≤200

 

Average linear expansion coefficient (10-6 ° C)

20~100℃

20~300℃

20~400℃

20~450℃

20~500℃

20~530℃

20~600℃

——

≤1.5

——

——

——

——

——

 

Main characteristics

Low expansion alloy 4J36 has a low expansion coefficient and good plasticity at -60 degrees - 80 degrees atmospheric temperature change,


Application field

It is used to make components with a nearly constant size in the temperature range. It is widely used in radio, precision instruments, instruments and other industries, as standard measuring tools, microwave resonators, bimetallic wave layers and so on.


Instruments and other industries, do standard measuring tools, microwave resonators, bimetallic wave layers and so on.



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