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Kovar wire ribbon strip sheet bar

Kovar wire ribbon strip sheet bar

Place of Origin : Shanghai
Brand Name : wisdom
Model Number : Kovar
Price : 10-40 usd
Packaging Details : Products are generally supplied in standard cardboard boxes, pallets, wooden boxes.
Delivery Time : 20-30 days (depend on the quantity of the order)
Payment Terms : T/T, L/C, West Union
Supply Ability : 1000 tons/year
MOQ : 1 kilogram
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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°Fto

25°Cto

10(-6)/°F

10(-6)/°C

212
392
572
662
752
842
932
1112
1292
1472
1652

100
200
300
350
400
450
500
600
700
800
900

3.25
2.89
2.85
2.72
2.81
2.92
3.41
4.34
5.06
5.73
6.25

5.86
5.20
5.13
4.89
5.06
5.25
6.15
7.80
9.12
10.31
11.26

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


Product Tags:

Kovar alloy

      

Ferrum Nickel alloy

      

Kovar wires

      
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