Ohmalloy Material Co.,Ltd
| Payment Terms | T/T, L/C, |
| Packaging Details | Wooden-Case |
| Material | Kovar |
| Type of Material | Precision Alloy |
| OD | 0.2mm~100mm |
| ID | 0.015mm～10mm |
| Type of Tube | Seamless |
| Brand Name | OHMALLOY |
| Model Number | Ohmalloy-Kovar |
| Certification | ISO |
| Place of Origin | China |
View Detail Information
Explore similar products
Corrosion Resistant Precision Alloys Monel K 500 Monel 400 For Pump Shaft
2.0mm Bright Surface Precision Alloys , Low Expansion Alloys For Sealing Glass
Bright Surface Fe Ni Precision Alloys With Wooden Case / Spool Package
Vacuum Furnace Nickel Based Alloys For Glass - To - Metal Seal Vacuum Switch
Product Specification
| Payment Terms | T/T, L/C, | Packaging Details | Wooden-Case |
| Material | Kovar | Type of Material | Precision Alloy |
| OD | 0.2mm~100mm | ID | 0.015mm～10mm |
| Type of Tube | Seamless | Brand Name | OHMALLOY |
| Model Number | Ohmalloy-Kovar | Certification | ISO |
| Place of Origin | China | ||
| High Light | nickel iron alloy ，fe ni alloy | ||
| Kovar(4J29) Alloy Material | ||||||||||||
| Kovar/4J29/UNS K94610/W.Nr.1.3912 | ||||||||||||
| Kovar is a Nickel-Cobalt-Iron alloy that has compatible thermal expansion characteristics to Borosilicate Glass. This property allows Kovar to maintain a mechanical connection to the glass over a range of temperatures. Etched Kovar parts are commonly used for step lids, carriers, covers and electronic shims.
| ||||||||||||
| Kovar (4J29) Chemical components | ||||||||||||
| C | Si | Mn | P | S | Ni | Fe | Cu | Cr | Co | Mo | ||
| max | 0.03 | 0.3 | 0.5 | 0.02 | 0.02 | 29.5 | bal | 0.2 | 0.2 | 17.8 | 0.2 | |
| min | 28.5 | 16.8 | ||||||||||
| Kovar (4J29)Mechanical property & Physical properties: | ||||||||||||
| Yield Strength | Tensile Strength | Elongation | Hardness | Density | Melting point | |||||||
| (Mpa) | (Mpa) | (%) | (HRC) | |||||||||
| 344 | 517 | 30 | 78HB | 8.36 g/cm3 | 1450 °C | |||||||
| Supply scope | ||||||||||||
| O.D: 0.20~100mm Wall thickness: 0.05~10mm The tolerance we could meet: Out diameter: ±0.003mm Wall thickness: ±0.005mm | ||||||||||||
| Coefficient of Thermal Expansion (Nominal): | ||||||||||||
| °C | 20-200 | 20-300 | 20-400 | 20-450 | 20-500 | 20-600 | 20-700 | 20-800 | ||||
| 10-6 /°C | 5.9 | 5.3 | 5.1 | 5.3 | 6.2 | 7.8 | 9.2 | 10.2 | ||||
| Kovar (4J29)Applied field: | ||||||||||||
| 1.Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. | ||||||||||||
| 2.This alloy has found wide application in power tubes, microwave tubes, transistors and diodes. In integrated | ||||||||||||
| circuits, it has been used for the flat pack and the dual-in-line package | ||||||||||||
Sales Manager:Michaeal Qiu.
What's App:+86 13795230939
Tel:+86-21-66796338 Mobile Phone: +86 13795230939
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
2008
Total Annual:
4000000-6000000
Employee Number:
20~50
Ecer Certification：
Verified Supplier
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface... Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of alloy such as high resistance alloy, low-resistance copper nickel alloy, precision alloy, FeCrAl alloy and thermocouple Alloy. Ohmalloy Material Co.,Ltd have a full production line from melting, surface...
Get in touch with us
Leave a Message, we will call you back quickly!