Kovar glass sealed and controlled expansion alloys

Kovar capillary has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials
Kovar has found wide application in power tubes, microwave tubes, transistors and diodes. Integrated circuits, it has been used for the flat pack and the dual-in-line package

Our factory has over 15 years' experience of Kovar capillary production.

Equal grades: ASTM F15, Nilo-K,UNS K94610 (FeNi29Co17), 4J29, 29HК.

Chemical Composition (%)

Physical Properties

Size range we could supply is:
O.D: 0.20~8mm
Wall thickness: 0.015～1.0mm
The tolerance we could meet:
Out diameter: ±0.003mm
Wall thickness: ±0.005mm
Length: ±0.05mm
We could do further fabrication of the capillary such as cutting, bending, slotting and so on.

Package

Sales Manager:Michaeal Qiu.

What's App:+86 13795230939

Tel:+86-21-66796338 Mobile Phone: +86 13795230939

Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy.

Ohmalloy Material Co.,Ltd have a full production line from melting, surface cleaning, rolling and slitting, full set of testing machine and can meet all kinds of technical requirement from customer. Our product is widely used in heating equipment, big steel mill, mineral, electrical equipment, food machinery, auto industry, aerospace industry. Our product not only is popular in domestic market, but also been exported to all over the world.

Our company aims to be the best-quality alloy producer in the world. We insist on developing the more advanced alloy strip technology, to serve all the customer, improve people’s living level, make a more green earth in the future