Buy Kovar Tubing from Surepure Chemetals

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.

Surepure accepts PayPal, MasterCard, Visa,
Discover, and American Express.

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.

Buy Kovar Tubing from Surepure Chemetals

Sort by

Showing 1 - 15 of 15

P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
4734	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 1 piece	$80.00
4733	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 5 pieces	$158.00
4732	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 10 pieces	$250.00
4730	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 25 pieces	$475.00
4725	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 50 pieces	$920.00
4731	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 100 pieces	$1,780.00
4726	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	1.50 in. / 38.1 mm x 200 pieces	$3,400.00
P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
7362	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.250 in. / 6.35 mm	0.230 in. / 5.84 mm	12 in. / 1 ft. / 0.305 m	$145.00
7349	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.250 in. / 6.35 mm	0.230 in. / 5.84 mm	24 in. / 2 ft. / 0.610 m	$260.00
P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
3854	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.252 in. / 6.40 mm	0.212 in. / 5.38 mm	69 in. / 5.75 ft. / 1.753 m	$598.00
3855	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.252 in. / 6.40 mm	0.212 in. / 5.38 mm	77 in. / 6.42 ft. / 1.956 m	$667.00
P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
2761	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.250 in. / 6.35 mm	0.230 in. / 5.84 mm	78 in. / 6.5 ft. / 1.981 m	$483.00
P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
3856	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.252 in. / 6.40 mm	0.212 in. / 5.38 mm	80 in. / 6.67 ft. / 2.03 m	$690.00
P/N	Purity	Outside Diameter	Inside Diameter	Length	Price
2228	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	10 ft. / 3.048 m	Request quote
2229	29% Nickel, 17% Cobalt, 0.2% Manganese, balance Iron	0.076 in. / 1.93 mm	0.046 in. / 1.17 mm	25 ft. / 7.620 m	Request quote

Showing 1 - 15 of 15

Didn't find what you're looking for?

See all Kovar products

Or, please request a quote or contact us.