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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.

87 results matching: Kovar

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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, 0.005 inch thick x 10 inches x 12 inches

Product #:	12818
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:	10.00 in. / 254 mm
Length:	12 in. / 1 ft. / 0.305 m
Description:	Subject to prior sale

$495.00
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Kovar sheets, 0.005 inch thick x 12 inches x 12 inches x 2 sheets

Product #:	12816
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:	12 in. / 1 ft. / 0.305 m
Length:	12 in. / 1 ft. / 0.305 m
No. of Pieces:	2 pieces
Description:	Subject to prior sale

$700.00
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Kovar sheets, 0.005 inch thick x 12 inches x 12 inches x 3 sheets

Product #:	12817
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:	12 in. / 1 ft. / 0.305 m
Length:	12 in. / 1 ft. / 0.305 m
No. of Pieces:	3 pieces
Description:	Subject to prior sale

$900.00
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Kovar sheet, 0.005 inch thick x 12 inches x 12 inches

Product #:	12815
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:	12 in. / 1 ft. / 0.305 m
Length:	12 in. / 1 ft. / 0.305 m
Description:	Subject to prior sale

$525.00
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Kovar sheets, 0.020 inch thick x 1.50 inches x 2.50 inches x 25 sheets

Product #:	10125
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:	1.50 in. / 38.1 mm
Length:	3.85 in. / 97.8 mm
No. of Pieces:	25 pieces
Lead time:	3 - 5 weeks

$1,275.00
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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

$90.00
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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

$175.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 8 pieces

Product #:	10741
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:	8 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$240.00
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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

$300.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 20 pieces

Product #:	8893
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:	20 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$440.00
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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

$525.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 50 pieces

Product #:	4725
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:	50 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$960.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 100 pieces

Product #:	4731
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:	100 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$1,840.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 180 pieces

Product #:	4726
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:	175 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

$3,204.00
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Kovar fill tubes, 0.076 in. OD x 0.046 in. ID x 1.50 in. long x 500 pieces

Product #:	10709
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:	500 pieces
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm
Lead time:	8 weeks

$9,155.00
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Kovar fill tubes, 0.076 inch OD x 0.046 inch ID x 1.50 inch long

Product #:	2227
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
Outside Diameter:	0.076 in. / 1.93 mm
Inside Diameter:	0.046 in. / 1.17 mm

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Kovar Tubing 0.252 inch O.D. x 0.020 inch wall x 6 inches long

Product #:	12432
Material:	Kovar
Form:	Tubing
Purity:	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron
Length:	6 in. / 0.5 ft. / 0.153 m
Kovar Subcategory:	Kovar Tubing
Outside Diameter:	0.252 in. / 6.40 mm
Inside Diameter:	0.212 in. / 5.38 mm
Lead time:	3 days
Description:	close out. one left in stock.

$100.00
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