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Wuxi Gotele Metal Products Co., Ltd : CN EN
因瓦合金棒
Shanghai Metal Corporation is a leading invar 36-bar for Lead Frames manufact
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Wuxi Gotele Metal Corporation is a leading invar 36-bar for Lead Frames manufacturer and supplier.

Invar 36 is a nickel-iron, low-expansion alloy containing 36% nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500°F. 

Invar 36 is used to making aerospace composites, standards of length, measuring devices, thermostat rods, laser components, clock pendulums and tanks and piping for the storage and transportation of liquefied gases. 

If you want to know more about our copper products or invar 36-bar for Lead Frames price please feel free to contact us, we will reply you within 24 hours.


Main Technical Paraments of Invar 36-Bar:

UNS 

W.Nr 

K93600

1.3912

Chemical composition                                      

Grade

%

Ni

Fe

C

Mn

Si

Invar 36

Min

35

Bal.

 

0.2

 

 

 

Max

37

0.05

0.6

0.3

0.02

0.02

m value at 20°C)                                                           

Tensile Strength

σb/MPa

Yield Strength

σp0.2/MPa

Elongation

σ5 /%

490

240

42

 

The Average Linear Expansion Coefficient of Invar 36-Bar

 

Alloy

Grades

Specimen heat treatment system

The average linear expansion coefficient a,10-6/  

20-100 

20-300  

 

Invar36

Will be semi-finished specimen heated to 840 ± 10 , insulation 1h, water quenching, and then processed into finished specimen, at 315 ± 10 , insulation 1h with the furnace cooling or air-cooled..

 

≤1.5

 

-----

 

Alloy Typical Expansion Coefficient of Invar 36-Bar

 

Alloy

Grades

The average linear expansion coefficient a,10-6/  

20-50 

20-100  

20-20 C

20-300  

20-400  

20-500  

 

Invar36

 

0.6

 

0.8

 

2.0

 

5.1

 

8.0

 

10.0

 

 

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