Specifications

Kovar alloy
1.ISO9001 certification;
2.fine after-sale services;
3.small order accepted;
4.samples available;

 Kovar

 

Properties of Kovar

Kovar alloy is a vacuum melted, iron-nickel-cobalt alloy that is widely used in the electronics industry.suitable for sealing to hard glasses, in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves.

 

 

Chemical Compositions:

C	Ni	Fe	Si	Mn	S	Co
Max0.02	Nom29.0	Balance	Max0.20	Max0.30	Max0.025	Nom17.0

 

 

Thermal Expansion Properties:

 

 

 

Mechanical Properties in the Annealed Condition:

 

 

 

Physical Properties:

 

 

 

 

 

Also provide other Expanding alloy:

 

 

 

fernico glass sealing alloy:4J29,4J44

 

 

 

fernico sealing alloy:4J33,4J34

 

 

 

Iron-nickel glass sealing alloy: 4J42,4J30

 

 

 

Iron-nickel-chromiun glass sealing alloy:4J6

 

 

 

Iron-chromiun glass sealing alloy:4J28

 

 

 

Low-expandsion alloy:4J36

 

 

Property:dense oxide film,strong anti-oxidability,good plasticity,low expansion coefficient,abradability.

 

 

 

Function:fusion bonding,welding,machining,sealing.

 

 

 

Specs:thickness 0.08mm~3mm width 5mm~250mm

 

 

 

Our company has been in this line over 10 years, we can supply good products and good services.

 

 

 

Win-Win is our company tenet!

 

 

 

Dont hesitate to contact me, we will give you a satisfactory reply!

 

 

Certification:

 Equipment

Testing