Kovar Wire

Kovar alloy wire is a nickel iron alloy suitable for glass and ceramic sealing to metal. It is commonly used in lead wire for mercury switches and in semiconductor devices.

Chemical Composition

C .02 max	Co 17.00 max	Mn .50 max	Fe Balance	Si 0.20 max
Ni 29.0 max

Temperature Coefficient Of Thermal Expansion

(limits per SAE AMS I23011 Class I)
Cm per cm per °C x 10 minus 6

30 - 400 °C	4.6 - 5.2
30 - 450 °C	5.1 - 5.5

Other Properties

Density (lbs/in³)	.302
Melting Point (°F)	2640
Electrical Resistivity	294 ohm-cir mil/ft

The Ken-tron Wire Division specializes in small diameter close tolerance wire made to customer specifications. Ken-Tron manufactures to your custom specifications.

For additional Inquiries, please request a quote or contact us here.

Click here for a full color wire brochure (1.24 MB) in PDF format.

Kovar Wire, Glass and Ceramic Sealing, Nickel Iron Alloy, Lead Wire, Semiconductor Wire.

Custom small diameter, close tolerance wire

Small diameter wire, close tolerance wire to SAE AMS I 23011, ASTM F30, and to custom specifications.

Ken-Tron Mfg., Inc.
610 Industrial Drive
P.O. Box 21250
Owensboro, KY 42304, USA
Central Standard Time (GMT-6)
Click here for directions

Phone: (270) 684-0431
Toll Free: (800) 872-9336
Fax: (270) 684-0435
Lat. N 37° 46.811´
Long. W 087° 09.472´

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