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Brand Name : XUNSHI
Model Number : 4J29
Certification : ISO9001
Place of Origin : China
MOQ : 50 kg
Price : Negotiable
Payment Terms : T/T
Supply Ability : 5000kg per week
Delivery Time : 30-35 days
Packaging Details : Plywood case
Equal grades : 4J29, Kovar, Nilo K
Forms of supply : WIre, strip, bar, forging, plate
Density : 8.36g/cm3
Model : 4J29
Product Name : Controlled Expansion 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
Applications
Kovar is widely used in applications such as power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.
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FeNiCo Controlled Expansion Alloys 4J29 For Vacuum Electronic Devices Glass Sealing Images |