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Home> Products> Precision Alloy> Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar
Nickel Welded Tube Kovar Astm f15 Rod/Bar

Nickel Welded Tube Kovar Astm f15 Rod/Bar

Transportation:Ocean

Port:SHANGHAI

Product Description
Product Attributes

Model No.Kovar

Place Of OriginChina

Supply Ability & Additional Information

PackagingStandard seaworthy package(wooden boxes package,pvc package, and other package).or as buyers requirement

TransportationOcean

Place of OriginCHINA

Supply Ability10 Metric Ton/Metric Tons per Month

PortSHANGHAI

Packaging & Delivery
Selling Units:
Kilogram
Package Type:
Standard seaworthy package(wooden boxes package,pvc package, and other package).or as buyers requirement
3c9f7de7e34c944b2643735acd42806b
cdff500bd931c79846e1139cf5034880
1c5803a36803281fb3fdac2193bfb811

nickel welded tube kovar astm f15

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.


Kovar alloy is a iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials.

Astm F15 Rod BarAstm F15 Rod Bar

ASTM F15 kovar  Specification

ASTM

UNS

W.Nr

F15

K94610

1.3981

 

ASTM F15 kovar  Chemical composition

Grade

%

Ni

Cr

Fe

Co

Cu

C

Mn

Si

Mo 

Kovar

Min

28.5

 

Bal.

16.8

 

 

 

 

 

 

 

Max

29.5

0.2

17.8

0.20

0.03

0.50

0.30

0.02

0.02

0.20

 

ASTM F15 kovar  Coefficient of linear expansion

 

Grade

a/10-6·K-1

Kovar

200-300°C

20-400°C

20-450°C

/

4.6-5.2

5.1-5.5

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