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4J44 high permeability Nickel-cobalt glass-metal sealing alloyCertification:ISO9001
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4J44 high permeability Nickel-cobalt glass-metal sealing alloy
4J29/4J44:Main application: Match with the electricity vacuum industry with the hard glass to seal meets
Brands |
Chemical analysis (%) |
Others |
||||||||||||
C |
S |
P |
Mn |
sj |
Ni |
Cr |
Co |
Cu |
M0 |
Se |
B |
Fe |
||
≤ | ||||||||||||||
4J29 |
O.03 |
O.020 |
0.020 |
≤O.50 |
≤0.30 |
28.5~ 29.5 |
≤O.2 |
16.8~ 17.8 |
≤0.2 |
≤O.2 |
|
|
Balance |
|
4J44 |
O.30 |
0.020 |
0.020 |
≤O.50 |
≤O.30 |
34.2~ 35.2 |
≤0.2 |
8.5~ 9.5 |
≤0.2 |
≤0.2 |
|
|
Balance |
|
Property:dense oxide film,strong anti-oxidability,good plasticity,low expansion coefficient,
abradability.It used for vacuum element,transmitting tube,switch tube,display tube,transistor ,
seal plug and shell of the relay.
Function:fusion bonding,welding,machining,sealing. Co Glass Sealing Alloys are fit for manufacturing electronic vacuum apparatus such as emitting tubes, oscillators, ignition rectifiers, transistors, pipe-closers and outer casings of relay.
Specs:thickness 0.08mm~3mm width 5mm~250mm
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Win-Win is our company tenet!
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