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Low Expansion Precision Invar 36 Frame For Semiconductor Applications

Low Expansion Precision Invar 36 Frame For Semiconductor Applications

Low Expansion Precision Invar 36 Frame For Semiconductor Applications
Low Expansion Precision Invar 36 Frame For Semiconductor Applications
Low Expansion Precision Invar 36 Frame For Semiconductor Applications
Product Details:
Place of Origin: Jiangsu,China
Brand Name: BLM
Certification: ISO
Model Number: BLM-S
Payment & Shipping Terms:
Minimum Order Quantity: 100kgs
Price: Negtation
Packaging Details: Packing with wooden box
Delivery Time: 25days
Payment Terms: T/T
Supply Ability: 5 tons per month
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Detailed Product Description
Place Of Origin: Jiangsu,China Application: Widely
Type: Nickel Bar Ni(Min): 36
Model Number: Invar 36
High Light:

Precision Invar 36 Frame

,

Low Expansion Invar 36

,

Semiconductor Applications Invar 36

Precision Invar 36 Frame With Low Expansion For Semiconductor Applications

 

1 . Description:

The name Invar comes from the word invariable, referring to its relative lack of expansion or contraction with temperature changes.

It was invented in 1896 by Swiss physicist Charles Édouard Guillaume. He received the Nobel Prize in Physics in 1920 for this discovery, which enabled improvements in scientific instruments.
OhmAlloy-4J36 (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 Level staff (leveling rod) used is 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.

 

 

2 . Normal composition%


Ni

35~37.0

Fe

Bal.

Co

-

Si

≤0.3

Mo

-

Cu

-

Cr

-

Mn

0.2~0.6

C

≤0.05

P

≤0.02

S

≤0.02

 

 
 


Typical Physical properties


Density (g/cm3)

8.1

Electrical resistivity at 20ºC(mm2/m)

0.78

Temperature factor of resistivity(20ºC~200ºC)X10-6/ºC

3.7~3.9

Thermal conductivity, λ/ W/(m*ºC)

11

Curie point Tc/ ºC

230

Elastic Modulus, E/ Gpa

144

 
 

3 . Application

in radio and electronic devices,
manufacture parts in aircraft controls
optical and laser system
in bimetallic thermostats and in rod and tube assemblies for temperature regulators

 

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 0

 

4 . Typical Mechanical properties


Tensile Strength

Elongation

Mpa

%

641

14

689

9

731

8

 

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 1

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 2

 

 

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 3

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 4

Low Expansion Precision Invar 36 Frame For Semiconductor Applications 5

 

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Tel: +8613914912658

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