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4j45 Iron Nickel Constant Expansion Alloy Wire Nilo 45

China 4j45 Iron Nickel Constant Expansion Alloy Wire Nilo 45, Find details about China 4j45, Glass Sealed Alloy Wire from 4j45 Iron Nickel Constant Expansion Alloy Wire Nilo 45

Model NO.
4j45
Chemical Composition
Feni45
OEM
Yes
Sample
Free
Stock
Seyn
Surface
Bright
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
7408229000
Model NO.
4j45
Chemical Composition
Feni45
OEM
Yes
Sample
Free
Stock
Seyn
Surface
Bright
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
7408229000
4j45 Iron nickel constant expansion glass sealed alloy wire Nilo 45

Iron nickel alloy is obtained at a given temperature range by adjusting the content of nickel internal energy and the expansion coefficient of different soft glass and ceramic matching a series of expansion alloy, its expansion coefficient and the Curie temperature increases with the increase of nickel content.The assembly is widely used in electric vacuum industry the sealing structure of the material

Chemical Composition in %, Invar
brandChemical composition
NiFeCPSiCoMnAlS
≤
4j4241.5~42.5Bal0.050.020.3-0.800.100.02
4j4544.5~45.5Bal0.050.020.3-0.800.100.02
4j5049.5~50.5Bal0.050.020.31.00.800.100.02
4j5251.5~52.5Bal0.050.020.3-0.60-0.02
4j5453.5~54.5Bal0.050.020.3-0.60-0.02
 
Basic physical constants and mechanical properties of the alloy:
brandThermal conductivitySpecific heat capacityDensityElectric resistivityCurie point
4j4514.7502J8.180.49420
 
Typical expansion character(10 -6 / ºC )
Temperature range20~10020~20020~30020~35020~40020~45020~50020~600
Expansion coefficient7.57.57.17.17.27.18.39.5

4 j45 alloy is used mainly for precision impedance diaphragm, with synthetic sapphire, soft glass, ceramic sealing.

4j45 Iron Nickel Constant Expansion Alloy Wire Nilo 45
4j45 Iron Nickel Constant Expansion Alloy Wire Nilo 45
 

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