Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
News
Home ProductsControlled Expansion Alloys

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

China Suzhou Xunshi New Material Co., Ltd certifications
China Suzhou Xunshi New Material Co., Ltd certifications
Have been business relationship for 3 years, great partner for Nickel Cobalt Alloy!

—— Daniel Weree

On-time delivery. And support is good and fast.

—— Carolina Fasio

I'm Online Chat Now

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing
FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

Large Image :  FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

Product Details:

Place of Origin: China
Brand Name: AIWEN
Certification: ISO9001
Model Number: 4J29

Payment & Shipping Terms:

Minimum Order Quantity: 50 kg
Price: Negotiable
Packaging Details: Plywood case
Delivery Time: 30-35 days
Payment Terms: T/T
Supply Ability: 5000kg per week
Detailed Product Description
Equal Grades: 4J29, Kovar, Nilo K Forms Of Supply: WIre, Strip, Bar, Forging, Plate
Density: 8.36g/cm3 Certification: ISO9001
Model: 4J29 Product Name: Controlled Expansion Alloys
High Light:

thermal expansion nickel

,

corrosion resistant alloys

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing

 

 

4J29 is an equal grade of Kovar controlled expansion alloy in China. It has a high Curie point and good low temperature tissue stability

 

Chemical compistion of 4J29

Element C Mn Si P S Cu Cr Mo Ni Co Fe
Weight(%) 0.03 max 0.5 max 0.30 max 0.020 max 0.020 max 0.20 max 0.20 max 0.20 max 28.5~29.5 16.8~17.8 Bal

 

Features

  •  High Curie point
  •  Good low-temperature stability
  •  Tense oxide film, and can be well wetted by the glass
  •  No reaction with mercury
  •  Good corrosion resistance in air, fresh water and sea water

 

 

Applications
Kovar is widely used in applications such as power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.

  •  Sealing alloys for hard glasses
  •  Transmitting tube
  •  Oscillation tube
  •  Ignitron
  •  Transistor
  •  Relay shell

FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing 0

 

Contact Details
Suzhou Xunshi New Material Co., Ltd

Contact Person: Allen Sun

Send your inquiry directly to us (0 / 3000)