Specifications

It`s widely used in vacuum element,emitted pipe,diplay tube,transistor,sealing plug and shell of relay.

 Nickel electrical heating alloy KOVAR wire

 

 

Properties of Kovar

Kovar alloy has linear expansion coefficient when connecting to the hardglass in 20-450,

High curie point,good stablity in low temperture,compact filam,good plastic,machining,

welding.It`s widely used in vacuum element,emitted pipe,diplay tube,transistor,sealing plug and shell of relay.

 

 

 

 

Chemical Compositions:

Designation	Chemical composition,%
	C	S	P	Mn	Si	Cu	Cr	Mo	Ni	Co	Fe
	Not More Than
4J29	0.03	0.020	0.020	0.5	0.30	0.20	0.20	0.20	28.529.5	16.817.8	surplus

 

 

Thermal Expansion Properties:

 

 

 

Mechanical Properties in the Annealed Condition:

 

Physical Properties:

 

 

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!