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Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Pipe

China Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Pipe, Find details about China Uniseal 42, Glass Sealed Alloy Pipe from Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Pipe

Model NO.
Uniseal 42
Chemical Composition
Feni42
OEM
Yes
Sample
Free
Surface
Bright
Stock
Seyn
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
750620000
Model NO.
Uniseal 42
Chemical Composition
Feni42
OEM
Yes
Sample
Free
Surface
Bright
Stock
Seyn
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
750620000
Uniseal 42 FeNi Constant Expansion Glass Sealed alloy pipe 4j42

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
≤
Uniseal 4241.5~42.5Bal0.050.020.3-0.800.100.02
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
Uniseal 4214.6502J8.120.61360
 
Typical expansion character(10 -6 / ºC )
Temperature range20~10020~20020~30020~35020~40020~45020~50020~600
Expansion coefficient5.64.94.84.955.96.97.89.2

 Uniseal 42 alloy is mainly used for soft glass and ceramic seal, such as electron tubes, transistors and integrated circuit of fuses, framework, and the sealing plug


Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Pipe
Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Pipe

 

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