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Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Rod

China Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Rod, Find details about China Uniseal 42, 4j42 from Uniseal 42 Feni Constant Expansion Glass Sealed Alloy Rod

Model NO.
4J42
Chemical Composition
Feni42
Sample
Free
Surface
Bright
Size
5-35mm
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
72269990
Model NO.
4J42
Chemical Composition
Feni42
Sample
Free
Surface
Bright
Size
5-35mm
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
Shanghai
HS Code
72269990
Uniseal 42 FeNi Constant Expansion Glass Sealed alloy rod 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 Rod







All offered "Shanghai Tankii Alloy Material Co., Ltd" of rolled metal products Invar differs guaranteed high quality. Customers can buy Invar alloy for the production of different types of products and rely on the high-speed supply of rolled metal.

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