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Vef 426 Glass Sealed Alloy Wire

China Vef 426 Glass Sealed Alloy Wire, Find details about China Vef 426, Expansion Alloy Wire from Vef 426 Glass Sealed Alloy Wire

Model NO.
VEF 426
Chemical Composition
Feni42cr6
OEM
Yes
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
China
HS Code
7505220000
Model NO.
VEF 426
Chemical Composition
Feni42cr6
OEM
Yes
Trademark
HUONA
Transport Package
Export Packing
Specification
Can discuss
Origin
China
HS Code
7505220000
VEF 426 Glass Sealed Alloy wire

Ni42Cr6, 4 j47, 4 j49 at 20 ~ 400 degrees Celsius temperature range, with the expansion coefficient of similar soft glass, used for matching with corresponding soft glass sealing.This kind of alloy containing chromium, after oxidation treatment, the alloy surface generated very dense oxide film, combined with matrix and firm, and soft glass and invasive good.Therefore, to get the sealing side of high strength.Is an important sealing structure in electric vacuum industry material.

Chemical Composition in %, Invar
brandChemical composition
NiCrFeCPMnBAlSiS
≤
NiCr42641.5~42.55.4~6.3Bal0.050.020.25-0.20.30.02
4j4746.8~47.80.8~1.4Bal0.050.020.40--0.30.02
4j4946.0~48.05.0~6.0Bal0.050.020.400.02-0.30.02
 

Basic physical constants and mechanical properties of the alloy:
 
brandDensity  g / cm3resistivityCurie point
Ni42Cr68.150.92270
4j478.190.55400
4j498.180.90340


 
Typical expansion character(10 -6 / ºC )
Temperature range20~10020~20020~30020~40020~50020~40020~55020~600
Expansion coefficient6.87.07.79.711.73.211.712.2


 
Varieties                    Steel type   
 
Specifications
mm		Precision
alloy		Resistance Alloys for electrical heatingSuper alloyWelding wireCorrosion resistant
alloy
Rodshot rolling rodsΦ8~38mmavailable available available
Cold-drawn rods≤50mmavailable available available
Forged rodsΦ38~350mmavailable available available
WiresRound wiresΦ0.3~8mmavailableavailableavailableavailableavailable
Non-circle wiresNegotiationavailable available available
StripsCold rolling0.15~4×200mmavailableavailableavailable available
Hot rolling4~22×200mmavailableavailableavailable available
PlatesCold rolling0.5~4×1000×2000mmavailable available available
Hot rolling4~22×1000×2000mmavailable available available
tubesΦ4~63×0.5~5mm       available available
Executive standard: GB, GJB, HB, YB, ASTM, AMSE, negotiation and so on.
 
Ni42Cr6 alloy is glass sealed alloy FeNiCr departments on behalf of the brand.The group alloy via air factory use for a long time, stable performance.Mainly used for making all kinds of electric vacuum components, such as electronic tube anode caps, etc.That should be chosen in the application of matching expansion coefficient of glass and metal.In order to improve the sealing strength of metal and glass allows alloy containing aluminum, cerium.When the heat treatment, grain size is too big, should be avoided to ensure the strip with good deep drawing extension performance and air tightness.
Vef 426 Glass Sealed Alloy Wire
Vef 426 Glass Sealed Alloy Wire
 

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