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Home > Metallurgy, Mineral & Energy > Black Metal & Products > Finest Qualityand All Size Range Available Kovar Alloy
Finest Qualityand All Size Range Available Kovar Alloy
US$ 25 - 33
MOQ: 50 Kilograms
Key Specifications
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Place of Origin:
Shaanxi, China
Brand Name:
XAGY
Model Number:
4J29 Plate
Payment & Shipping
Payment Methods:
Port of Shipment:
Xi'an
Delivery Detail:
Delivery time depends on order quantity.
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Place of Origin
Shaanxi, China
Brand Name
XAGY
Model Number
4J29 Plate
Application
glass-to-metal seals / ceramic-to-metal seals
Shape
Square, Rectangle
Material
Kovar Alloy Plate
Dimensions
Thickness 3.5mm-- 40mm
Chemical Composition
FeNi29Co17
Product Display
A Nickel-Iron-Cobalt, controlled expansion alloy containing 29% Nickel. It’s coefficient of expansion (which decreases with rising temperature to the inflection point), matches the expansion rate of borosilicate glasses and aluminia ceramics. Applications include glass to metal seals in applications requiring high reliability or resistance to thermal shock, ie. high-power transmitting valves, transistor leads and heaters and photography flash bulbs.
Product Parameters
Grade |
Chemical Composition (%) |
||||||||||
C |
P |
S |
Mn |
Si |
Cu |
Cr |
Mo |
Ni |
Co |
Fe |
|
≤ | |||||||||||
4J29 |
0.03 |
0.020 |
0.020 |
0.5 |
0.30 |
0.20 |
0.20 |
0.20 |
28.5~29.5 |
16.8~17.8 |
Balance |
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Business Type
Manufacturer, Trading Company
Year Established
2001
Factory Size
50,000-100,000 square meters
Total Employees
101 - 200 People
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