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Product Details:
Payment & Shipping Terms:
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| Material: | Kovar | Type Of Material: | Precision Alloy |
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| Diameter: | 0.05mm~10mm | Package: | Spool&Coil |
| Coil Weight: | Roll | Common Name: | FeNi29Co17 |
| Highlight: | fe ni alloy,low expansion alloys |
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| Kovar(4J29) Alloy Material Wire | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Kovar/4J29/UNS K94610/W.Nr.1.3912 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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General Description 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. Kovar has a nominal expansion coefficient of approximately 5 ppm/°C and inflection temperature of ~450 °C (840 °F).
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 tubes, microwave tubes, transistors, and diodes. In integrated circuits, it has been used for the flat pack and the dual-in-line package. Chemical Composition
Specifications
Physical Properties
Mechanical Properties
Coefficient of Expansion
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Contact Person: Claudia
Tel: +8617301606058
