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：
Chemical composition
|
Grade
|
%
|
Ni
|
Fe
|
C
|
Mn
|
Si
|
P
|
S
|
|
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
|
