- Changzhou Brilliance Special Steel Co., Ltd.
-
Changzhou, Jiangsu, China
- Main products: High-temperature alloys, Corrosion-resistance alloys, Precision alloys, Pure nickel, Welding wire, Thermal spraying wire, Capillary tube
Home > Products > Precision Alloys > Kovar (ASTM F-15)
Kovar (ASTM F-15)
- Shanghai
- T/T
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Product Details
| Brand Name | Brilliance | Place of Origin | China | |
| Model Number | BL-0161 | Type | Nickel Plate | |
| Application | Vacuum Electronics | Grade | FeNi29Co17 | |
| Powder Or Not | Not Powder | Ni (Min) | 29% |
Product Description
Kovar (ASTM F-15)
Character of Kovar
Kovar alloy is magnetic at all temperatures below the Curie point. Magnetic properties will depend upon heat treatment; the lower hardness, the higher permeability values and lower hysteresis loss.
Density: 8.36g/cm3
Curie Temp: 435°C(815°F)
Introduction of Kovar
Kovar is a Ni-Fe alloy with 29% Nickel, 17% Cobalt and the remaining balance is Iron. The expansion characteristics of Kovar match both borosilicate (or Pyrex) glasses and alumina ceramics, making it one of the most popular of the controlled expansion alloys for hermetic sealing applications.
Chemical composition of Kovar alloy
C≤0.020, Ni≤29.0, Si≤0.20, Mn≤0.30, Co≤17.0, Fe=remainder
Delivery
Huge stock of strip, bar and wire in stock. Fast delivery with 5 days for customized size.
Forms available: Plate, sheet, strip, wire, rod, bar, forging, tube, pipe, capillary, square pipe, and parts
Application of Kovar
Kovar is widely used in applications such as power tubes, microwave tubes, transistors, diodes, hybrid packages and other kinds of scientific instruments.
Equal grades
4J29(China grade), ASTM F-15, NILO K, Pernifer 2918, Rodar, Dilvar P1, UNS K94610, 29-17 alloy
Standards
ASTM-15
Contact Us
- Changzhou Brilliance Special Steel Co., Ltd.
- Contact nameDavid Chat Now
- Phone86-519-89986880
- AddressXinbei, Changzhou, Jiangsu
Product Categories
| Precision Alloys | Pure Nickel | High-temperature Alloys | Anti-corrosion Alloys |
| Thermal Spraying Wire | Capillary Tube | Inconel Series | Incoloy Series |
| Monel Series | Nimonic Alloys | Udimet Alloys | Welding Wire |
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