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Kovar

A vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Kovar alloy has been used for making glass to metal seals. This alloy has found wide application in power tubes, microwave tubes, transistors and diodes.

Chemical Composition: Carbon 0.002% max. Manganese 0.30%, Silicon 0.20%, Nickel 29.00%, Cobalt 17.00%, Iron Balance. Specific Gravity 8.36, Density 0.302 lbs. / in.^3, Melting point 1450°C.

Kovar is available in wire, sheet, and rod. Many items are in stock or have short fabrication times. Typical wire sizes range from 0.003 inch diameter to 0.375 inch diameter. Contact us to find out more. Surepure has sputtering targets of various sizes. Contact us to learn more about our quick delivery to meet your exact requirements.

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The products below are representative of what we sell. If you don't find what you're looking for, please request a quote or contact us.

31 results matching: Kovar

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Kov-wire-0.005-25ft

Product #:	3847
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.005 in. / 0.127 mm / 36 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	25 ft. / 7.620 m
Kovar Subcategory:	Kovar Rod/Wire

$100.00
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Kov-wire-0.005-75ft

Product #:	3846
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.005 in. / 0.127 mm / 36 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	75 ft. / 22.860 m
Kovar Subcategory:	Kovar Rod/Wire

$165.00
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Kov-wire-0.005-100ft

Product #:	3848
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.005 in. / 0.127 mm / 36 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	100 ft. / 30.48 m
Kovar Subcategory:	Kovar Rod/Wire

$200.00
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Kovar Wire, 12 gauge x 25 ft long

Product #:	4613
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.081 in. / 2.057 mm / 12 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	25 ft. / 7.620 m
Sub-Form:	Wire, by spool

$205.00
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Kovar Wire, 12 gauge x 50 ft long

Product #:	4612
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.081 in. / 2.057 mm / 12 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	50 ft. / 15.2 m
Sub-Form:	Wire, by spool

$351.00
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Kovar Wire, 12 gauge x 100 ft long

Product #:	4610
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.081 in. / 2.057 mm / 12 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	100 ft. / 30.48 m
Sub-Form:	Wire, by spool

$508.00
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Kovar Wire, 12 gauge x 200 ft long

Product #:	4611
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.081 in. / 2.057 mm / 12 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	200 ft. / 60.96 m
Sub-Form:	Wire, by spool

$730.00
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Kovar Rod, .400 inches diameter x 25 centimeters long x 4 pieces

Product #:	6910
Material:	Kovar
Form:	Wire/Rod
Diameter:	0.400 in. / 10.16 mm
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	9.84 in. / 25.0 cm
No. of Pieces:	4 pieces
Lead time:	3 weeks

$400.00
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Kovar-ribbon-0.002x0.005x25ft

Product #:	3849
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.002 in. / 0.051 mm / 44 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	0.005 in. / 0.127 mm
Length:	25 ft. / 7.620 m

$100.00
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Kovar-ribbon-0.002x0.005x100ft

Product #:	3850
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.002 in. / 0.051 mm / 44 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	0.005 in. / 0.127 mm
Length:	100 ft. / 30.48 m

$200.00
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Kovar-ribbon-0.002x0.006x25ft

Product #:	3851
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.002 in. / 0.051 mm / 44 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	0.006 in. / 0.152 mm
Length:	25 ft. / 7.620 m

$100.00
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Kovar-ribbon-0.002x0.006x100ft

Product #:	3852
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.002 in. / 0.051 mm / 44 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	0.006 in. / 0.152 mm
Length:	100 ft. / 30.48 m

$200.00
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Kovar-ribbon-0.002x0.006x250ft

Product #:	3853
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.002 in. / 0.051 mm / 44 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	0.006 in. / 0.152 mm
Length:	250 ft. / 76.2 m

$375.00
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Kovar sheets, 0.005 inch thick x 2 inches x 2 inches x 5 sheets

Product #:	7596
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.005 in. / 0.127 mm / 36 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	2.00 in. / 50.8 mm
Length:	2 in. / 50.8 mm
No. of Pieces:	5 pieces
Lead time:	1 week
Description:	5 sheets x 2 inch long / sheet = 10 inches long total.

$325.00
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Kovar sheet, 0.005 inch thick x 2 inches x 11 inches

Product #:	7595
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.005 in. / 0.127 mm / 36 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	2.00 in. / 50.8 mm
Length:	11 in. / 27.9 cm
Lead time:	1 week

$325.00
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Kovar sheet, 0.020 inch thick x 24 inches x 24 inches

Product #:	7014
Material:	Kovar
Form:	Sheet/Foil/Ribbon/Strip
Thickness:	0.020 in. / 0.508 mm / 24 gauge
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Width:	24 in. / 2 ft / 0.610 m
Length:	24 in. / 2 ft. / 0.610 m
Lead time:	1 week

$325.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 1 piece

Product #:	4734
Material:	Kovar
Form:	Tubing
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	1.50 in. / 38.1 mm
Kovar Subcategory:	Kovar Tubing
No. of Pieces:	1 piece
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$80.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 5 pieces

Product #:	4733
Material:	Kovar
Form:	Tubing
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	1.50 in. / 38.1 mm
Kovar Subcategory:	Kovar Tubing
No. of Pieces:	5 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$158.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 10 pieces

Product #:	4732
Material:	Kovar
Form:	Tubing
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	1.50 in. / 38.1 mm
Kovar Subcategory:	Kovar Tubing
No. of Pieces:	10 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$250.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 25 pieces

Product #:	4730
Material:	Kovar
Form:	Tubing
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	1.50 in. / 38.1 mm
Kovar Subcategory:	Kovar Tubing
No. of Pieces:	25 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$475.00
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