sealing alloy kovar

Specification: Plate, sheet, strip, rod, bar, wire, tube.

Note: The values in the table are for reference only.

10.2

9.2

7.8

6.2

5.3

5.1

5.3

5.9

kovar

^oC

20-800

^oC

20-700

^oC

20-600

^oC

20-500

^oC

20-450

^oC

20-400

20-300 ^oC

^oC

20-200

The average linear expansion coefficient a,10^-6/ ^oC

Alloy Grades

Alloy typical expansion coefficient

Balance

16.8-17.8

28.5-29.5

0.20

0.20

0.20

0.30

0.5

0.020

0.020

0.03

         Not more than

sealing alloy kovar and expansion alloys,kovar alloy,ASTM F15, Nilo-K,UNS K94610 (FeNi29Co17),Chinese 4J29