Chemistry By % Weight

C: 0.02% Max

Co: 17%

Fe: Balance

Mn: 0.3%

Ni: 29%

Si: 0.2%

4J29 Kovar Applications：

Power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.

Available Product Forms: Tube, strip and sheet, plate, wire and round bar, capillary tube, etc.

FAQ:

Q: Are you a trading company or a manufacturer?

A: We are a direct factory with production lines and workers. Everything is flexible and there is no need to worry about intermediariesOr additional fees for traders.

Q: Which countries do you export to?

A: Our products are mainly exported to Australia, Canada, Britain, the United States, Germany, Thailand, South Korea and so on.

Q: Do you provide samples? Is it free or extra?

A: Yes, we can provide samples , but we don't pay the freight.

Q: What is your minimum order quantity?

A: In fact, there is no minimum order quantity for our products. But usually we recommend quantities based on acceptable prices.

Q: How about the delivery time?

A: It is order based, usually within 15-30 days after receiving your advance payment.

Keywords: Iron-Nickel-Cobalt Sealing Alloy, Pernifer2918, Dilvar P1, Nilo K, Controlled Expansion Alloy, glass to metal sealing, Vacuum Electronic Applications