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Quality drawn metal wire in over 60 materials.
DRAWN WIRE

Kovar Wire

Ken-tron draws Kovar metal wire (ASTM F-15) to a variety of diameters.  Our customers use Kovar Ken-tron metal wire for applications in the aerospace, automotive, defense, electronics, and telecommunications industries.  Glass to metal seal and glass to ceramic seal are also common uses of this Ken-tron controlled expansion 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. Material compliant to SAE AMS I23011 Class 1 and ASTM F-15.

Chemical Composition

C .06 max Co 17.00 max Mn .50 max Fe Balance Si 0.20 max
Ni 29.0 max

Temperature Coefficient Of Thermal Expansion

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.

Click here for a full color parts brochure (1.31 MB) in PDF format.

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