Home > Products > pricision alloy > 4J29 Kovar Expanding alloy bar
4J29 Kovar Expanding alloy bar
- 1500 Ton / Tons per Month
- Shanghai
- T/T D/P D/A Credit Card
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Product Details
| Place of Origin | Jiangsu, China | Brand Name | Longxin-alloy | |
| Model Number | 4J29 | Application | glass to metal sealing | |
| Shape | bar | Material | FeNi29Co17 | |
| Dimensions | Thickness:0.1mm~3.5mm ;width less than 400mm,as custom need | Chemical Composition | Ni:29% ,Co:17% ,Fe:balance |
Product Description
Specifications
4J29 Kovar Expanding alloy bar1.Certification:ISO9001:2008
2.Fine after-sale service
3.High quality
4.samples available
4J29 Kovar Expanding alloy bar
Properties of Kovar
Kovar alloy is a vacuum melted, iron-nickel-cobalt alloy that is widely used in the electronics industry.suitable for sealing to hard glasses, in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves.
Chemical Compositions:
C | Ni | Fe | Si | Mn | S | Co |
Max0.02 | Nom29.0 | Balance | Max0.20 | Max0.30 | Max0.025 | Nom17.0 |
Thermal Expansion Properties:
Temperature | Coefficient | ||
77°F to | 25°C to | 10(-6)/°F | 10(-6)/°C |
212 | 100 | 3.25 | 5.86 |
Mechanical Properties in the Annealed Condition:
Yield Strength (0.1% Offset) | Tensile Strength | Elongation | ||
psi | MPa | psi | MPa | (%) |
49,000 | 340 | 75,000 | 520 | 42 |
Physical Properties:
DENSITY | 8.16 g/cm3 | 0.295 lb/in3 |
MELTING POINT | 1450oC | 2640oF |
INFLECTION POINT | 450°C | 840°F |
THERMAL CONDUCTIVITY | 16.7 W/m•°C | 116 btu•in/ft2•h°F |
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Certification:
Equipment:
Testing:
Contact Us
- Danyang Longxin Metal Alloy Co., Ltd.
- Contact nameYang Wang Chat Now
- Phone86-511-88016006
- AddressJunmin RD 40# Yunhe Town, Danyang City, Jiangsu Province. China, Zhenjiang, Jiangsu
Product Categories
| bars | high permeanbility alloy | High-resistance Electrothermal Alloy | Incoloy 800H |
| Inconel products | Invar | Kovar | Monel Products |
| New Products | pricision alloy | stainless steel strips | stainless steel wires |
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