hard glass sealing with kovar 4j29 alloy

[PDF]

4J29 - CHONRAY

Precision alloy 4J29 is a Fe-Ni-Co alloy, and it has similar liner expansion coefficient with hard borosilicate glass under the temperature of 20-450℃, with high Curie point and good low-temperature stability.4J29 has tense oxide film and can be well wetted

Kovar - DANYANG HB SPECIAL ALLOY CO.,LTD

FeNiCo System Glass Sealing Alloys. An iron-nickel-cobalt alloy FeNi29Co17 Bose closure, 4J44; Grade : 4J29 (Kovar) , also known as Kovar (Fe54%, Ni29% and Co17%), ... can be matched with a solid hard …

Glass Kovar, Glass Kovar Suppliers and Manufacturers at ...

kovar kovar rod/bar ceramic kovar kovar stamping kovar astm f15 machining kovar nickel alloy kovar sealing glass kovar sealing alloy kovar iron nickel cobalt alloy kovar kovar expansion alloy bar nico2918 kovar expanding alloy bar invar kovar stainless steel strips 4j29 kovar strip sheet kovar coil More...

China Kovar Wire for Glass Vacuum - China 4j29 Alloy ...

4j29 Alloy, Kovar Alloy Strip, Rodar manufacturer / supplier in China, offering Kovar Wire for Glass Vacuum, Nickel Chromium Alloy Strip(Ni80Cr20), Nickel Strip / Nickel Sheet / …

Nilo K Kovar Alloy Foil Fe-Ni-Co Glass Sealing Alloy 4j29

4j29, Fe-Ni-Co Glass Sealing Alloy, Glass Sealing Alloy Strip manufacturer / supplier in China, offering Nilo K Kovar Alloy Foil Fe-Ni-Co Glass Sealing Alloy 4j29, 1.6mm Reliable Quality Thermal Spray Nial 95/5 Wire Ta Fa 75b for Arc Spray, Tunnel Boring Machine Cutter Head and Cutter and so on.

precise kovar alloy parts - natural-elements-online

UNS K94610 Kovar Precision alloy wire Kovar is an iron-nickel-cobalt alloy with a coefficient of thermal expansion similar to that of hard (borosilicate) glass. This makes it especially suitable for uses which require a matched-expansion seal between metal and glass parts.

Custom Kovar parts/Machining Kovar - qc-mold

An oxide film on the metallic part is preferred for metal-to-hard glass sealing. The best oxide film is thin and tightly adhering. The film can be produced by heating the parts to 1200/1290°F in regular ambient atmosphere for a time sufficient to form a dark gray to slight brown oxide.

China Nilo K Fe-Ni-Co Glass Sealing Alloy Rod Kovar Alloy ...

4j29, Fe-Ni-Co Glass Sealing Alloy, Glass Sealing Alloy Rod manufacturer / supplier in China, offering Nilo K Fe-Ni-Co Glass Sealing Alloy Rod Kovar Alloy, 1.6mm Reliable Quality Thermal Spray Nial 95/5 Wire Ta Fa 75b for Arc Spray, Tunnel Boring Machine Cutter Head and Cutter and so on.

China Nickel Alloy UNS KOVAR 4J29 tube / pipe with high ...

4j29 Alloy, Kovar Alloy Strip, Kovar Pipe manufacturer / supplier in China, offering Nickel Alloy UNS KOVAR 4J29 tube / pipe with high quality, Nickel Chromium Alloy Strip(Ni80Cr20), Nickel Strip / Nickel Sheet / Nickel Foil (Ni 200/201) and so on.

Kovar Wire Alloy for Sealing Glass - Made-in-China

Kovar Wire, 4j29 Wire, Sealing Alloy Wire manufacturer / supplier in China, offering Kovar Wire Alloy for Sealing Glass, Beryllium Copper Strip-C17200, Nanocrystalline Core Strip Ribbon 1K107 Transformer Inductor Iron Amorphous Core and so on.

Kovar alloy Manufacturers & Suppliers, China kovar alloy ...

kovar alloy manufacturer/supplier, China kovar alloy manufacturer & factory list, find qualified Chinese kovar alloy manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.

Kovar Low Expansion Alloys 4J29 Strip Glass - To - Metal ...

Kovar is a nickel–cobalt ferrous alloy compositionally identical to Fernico, designed to be compatible with the thermal expansion characteristics of borosilicate glass (~5 × 10−6 /K between 30 and 200 °C, to ~10 × 10−6 /K at 800 °C) in order to allow direct mechanical connections over a range of temperatures.

China Glass Nickel, China Glass Nickel Manufacturers and ...

,Ltd ,a major large presicion alloy manufacture in China,is located in XI'AN city Shaanxi Province. With more than 280 employees we mainly produce high presicion alloy materials such as soft magnetic alloy,expansion alloy,elastic alloy and permanent magnetic alloy.

Manufacturer - Quality Kovar| DONGTAI ZHONGHAI SUPER ALLOY …

bdalloy› Alloys› Precision AlloyDescription: Kovar / 4J29 Kovar is a nominal 29%Ni-17%Co-54%Fe alloy that is a well-known glass-sealing alloy suitable for sealing to hard glasses.

China Ohmalloy Kovar Wire Sealing Alloy for Glass - China ...

Kovar Wire, 4j29 Wire, Sealing Alloy Wire manufacturer / supplier in China, offering Ohmalloy Kovar Wire Sealing Alloy for Glass, Nanocrystalline Core Strip Ribbon 1K107 Transformer Inductor Iron Amorphous Core, Thermocouple Extension Cable Sleeved Cable K J T N R S B Rtd PT100 Type Wire Extension and so on.

Kovar Alloy Price - Made-in-China

Kovar Alloy Price - Select 2018 high quality Kovar Alloy Price products in best price from certified Chinese Kovar Machining Part manufacturers, Kovar Foil suppliers, wholesalers and factory on Made-in …

Sealing Alloy Precision Alloy 4J29 Kovar Alloy Strip ...

Wholesale Sealing Alloy Precision Alloy 4J29 Kovar Alloy Strip Expansion alloy Vacon 12 Fe to sell - provide Cheap Precision Alloy from alloywirestankiimaterial.

Kovar - Products - Hangzhou Ualloy Material Co.,Ltd.

Ualloy-4J29 (Expansion alloy) (Common Name: Kovar, Nilo K, KV-1, Dilver Po, Vacon 12) Ualloy-4J29 also known as Kovar alloy. it was invented to meet the need for a reliable glass-to-metal seal, which is required in electronic devices such as light bulbs, vacuum tubes, cathode ray tubes, and in vacuum systems in chemistry and other scientific research.

4j29 kovar alloy - natural-elements-online

Kovar Alloy. Kovar alloy, ASTM F15, Nilo-K,UNS K94610(FeNi29Co17),Chinese 4J29 Kovar Alloy, is a controlled expansion alloy. It is a Nickel Iron alloy with 29% Nickel, 17% Cobalt and the …

Kovar - Buy Kovar Product on Jiangsu Baide Special Alloy ...

Kovar (ASTM F15) has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power …

Glass Sealing Precision Alloys Kovar Alloy 4J29 With ...

4J33 alloy has a close Linear expansion coefficient with 95% Al2O3 ceramic in the range of -60 to 600 degrees Celsius. it is an Important sealing structural material in the electric vacuum industry; Mainly used for matching and ceramic sealing.

4J29 Kovar Alloy Pipe FeNi Glass Sealing Vacon 12 For ...

Kovar is a nickel-cobalt ferrous alloy compositionally identical to Fernico, designed to be compatible with the thermal expansion characteristics of borosilicate glass (~5 × 10−6 /K between 30 and 200 °C, to ~10 × 10−6 /K at 800 °C) in order to allow direct mechanical connections over a range of temperatures.

Kovar Alloy Strip Fe-Ni-Co Glass Sealing Alloy Strip ...

Kovar Alloy Strip Fe-Ni-Co Glass Sealing Alloy Strip, Find Details about 4j29, Fe-Ni-Co Glass Sealing Alloy from Kovar Alloy Strip Fe-Ni-Co Glass Sealing Alloy Strip - Huona (Shanghai) New Material Co., Ltd.

Kovar Tech Data - High Temp Metals

Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power tubes, microwave tubes, transistors and diodes. In intergrated circuits, it has been used for the flat pack and the dual-in-line package.

4J29 Kovar Alloy Pipe FeNi Glass Sealing Vacon 12 For ...

Wholesale 4J29 Kovar Alloy Pipe FeNi Glass Sealing Vacon 12 For Integrated Circuit to sell - provide Cheap Precision Alloy from alloywirestankiimaterial.

Feni28co18 Polished Kovar Bar - Buy Kovar Bar,Polished ...

Note: The values in the table are for reference only. Usage: It is applied to hard glass-to-metal seals. Applications. Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials.

Kovar Pipe-4J29 Tube For Igniting Tube Manufacturers …

Kovar Pipe-4J29 tube for igniting tube UAlloy-4J29 Tube also known as Kovar alloy. it was invented to meet the need for a reliable glass-to-metal seal, which is required in electronic devices such as lig bulbs, vacuum tubes, cathode ray tubes, and in vacuum systems in chemistry and other scientific research.

FeNi29Co17 Vacon plate Iron - nickel cobalt glass sealed ...

Kovar is a nickel-cobalt ferrous alloy compositionally identical to Fernico, designed to be compatible with the thermal expansion characteristics of borosilicate glass (~5 × 10−6 /K between 30 and 200 °C, to ~10 × 10−6 /K at 800 °C) in order to allow direct mechanical connections over a range of temperatures.

Hot Products

We are here to serve you!

Reply to technical consultation Provide design solution Dispatch engineers domestically/abroad Handle complaints thoroughly Systematic training Trouble judgment &amo; removal