• Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry
  • Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry
  • Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry
  • Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry

Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry

Classification: Feni36
Density: 8.1
Resisivity: 0.78
Curie Point: 230
State: Soft
Brand: Vacodil36
Samples:
US$ 20/Piece 1 Piece(Min.Order)
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Customization:
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Basic Info.

Model NO.
invar 36 foil
Chemical Composition
Feni36
Item
Invar36 Foil with Max Width 1300mm Used for Crp PA
Transport Package
Export Packing
Specification
Can discuss
Trademark
HUONA
Origin
Shanghai
HS Code
72269990
Production Capacity
200 Ton/Month

Product Description

FeNi36  Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry

Classification : low coefficient of thermal expansion alloy

Application: Invar is used where high dimensional stability is required, such as precision instruments, clocks, seismic creep gauges, television shadow-mask frames, valves in motors, and antimagnetic watches. In land surveying, when first-order (high-precision) elevation leveling is to be performed, the leveling rods used are made of Invar, instead of wood, fiberglass, or other metals. Invar struts were used in some pistons to limit their thermal expansion inside their cylinders.


Chemical Composition in %, Invar

 

 Ni
35-37%

Fe
.

C
0.05%

Si
0.3%

Mn
0,3-0,6 %

S
o 0.015%

P
0.015%

Mo
0.1%

V
0.1%

Al
0.1%

Cu
0.1%

Cr
0,15 %  
 
Basic physical constants and mechanical properties of the alloy:

Density: γ = 8,1 g / cm3;
Electric resistivity: ρ = 0,78 ohm mm2 ? / m;
The temperature of the Curie point: Θs = 230 ° C;
Modulus of elasticity E = 144 kN / mm2;
Linear expansion coefficient a1 (20-100 ºC) ≤1,5 * 10-6 ºC -1
 
 
Temperature Range/ºC 1/10-6ºC-1 Temperature Range/ºC 1/10-6ºC-1
20~-60 1.8 20~250 3.6
20~-40 1.8 20~300 5.2
20~-20 1.6 20~350 6.5
20~0 1.6 20~400 7.8
20~50 1.1 20~450 8.9
20~100 1.4 20~500 9.7
20~150 1.9 20~550 10.4
20~200 2.5 20~600 11

Typical Mechanical properties

Tensile Strength
Elongation
Mpa %
641 14
689 9
731 8
 
Temperature factor of resistivity
Temperature range, ºC 20~50 20~100 20~200 20~300 20~400
aR/ 103 *ºC 1.8 1.7 1.4 1.2 1.0
 
The heat treatment process
Annealing for stress relief Heated to 530~550ºC and hold 1~2 h. Cold down
annealing In order to eliminate hardening, which be bring out in cold-rolled, cold drawing process. Annealing needs heated to 830~880ºC in vacuum,hold 30 min.
The stabilization process
In protective media and heated to 830 ºC, hold 20min. ~ 1h, quench
Due to the stress generated by quenching, heated to 315ºC,hold 1~4h.

Precautions

Can not be hardened by heat treatment
Surface treatment can be sandblasting, polishing or pickling.
Alloy can be used 25% hydrochloric acid pickling solution at 70 ºC to clear oxidized surface

 Feni36 Invar36 Foil with Max Width 1300mm Used for Crp Parts of Aviation Industry





 

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