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Controlled Expansion Alloy Kovar 4J29 Alloy Round Bar and Rod Supplier

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US$ 26 - 35 MOQ: 30 Kilograms
Key Specifications
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Place of Origin:
Shaanxi, China
Type:
Nickel Bar
Application:
Glass and Ceramic with kovar alloy
Payment & Shipping
Payment Methods:
Port of Shipment:
All ports in China
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Shaanxi, China
Type Nickel Bar
Application Glass and Ceramic with kovar alloy
Grade FeNi28Co18 Alloy
Ni (Min) 28.5%
Powder Or Not Not Powder
Model Number 4J29 Kovar
Brand Name XAGY
Product Description

 Controlled Expansion alloy 

 Controlled expansion alloy use to form a hermetic seal with glass or ceramic.e.g.vacuum tubes, lamps,power 

tubes. Or application where a specific expansion must be met over a certain temperature range;e.g. Optoeletronics, optical and laser benches.

*Kovar alloy, ASTM F15, Nilo-K,UNS K94610 (FeNi29Co17), Chinese 4J29

Glass sealed and controlled expansion alloys ASTM F15; DIN 17745; S.E.W. 385;   

Werkstoff Nr. 1.3981; AFNOR NF A54-301 

*Alloy 46,UNS K94600,(Fe-46Ni), Chinese 4J46

*Alloy 27,ASTM F-256,UNS K92801,(Fe-28Cr), Chinese 4J28

*Invar alloy,ASTM F1684,UNS k93600 (FeNi36), Chinese 4J36

*Ceramvar alloy, ASTM F1466, (Fe-Ni27-Co25), Chinese 4J33/4J34

Chemical composition

 

Chemical composition of Expansion alloy      

Alloy

Chemical composition %

C

P

S

Mn

Si

Cu

Cr

Mo

Ni

Co

Fe

4J29

Kovar

0.03

0.020

0.020

0.5

0.30

0.20

0.20

0.20

28.5~29.5

16.8~17.8

Bal.

4J44

0.03

0.020

0.020

0.5

0.30

0.20

0.20

0.20

34.2~35.2

8.50~9.50

Bal.

4J46

0.05

0.02

0.02

0.4

0.3

3.0-4.0

--

--

--

5.0-6.0

  Bal.

4J28

0.12

0.02

0.02

1.0

0.7

--

27-29

--

  ≤0.5

--

--

4J36 Invar 

0.05

0.02

0.02

0.2-0.6

0.3

--

--

--

   35-37

--

  Bal.

4J33

0.05

0.02

0.02

0.5

0.3

--

--

--

32.1-33.6

14-15.2

  Bal.

4J34

0.05

0.02

0.02

0.5

0.3

--

--

--

28.5-29.5

19.5-20.5

  Bal.

 

Note: We could do any other products with specified technical standard, say, ASTM,SAE,DIN,S.E.W.,JIS,ISO,

IEC,NF,BS.PLS contact us for more information: Tel: +86-29-33669103 or e-mail us at: webmaster@xagy.cn

 

Customization

Controlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplier 

Factory Show

Controlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplierControlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplier 

Certificate Display

Controlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplier 

Customer Group Photo

Controlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplier 

Packing and Shipping

Controlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplierControlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplierControlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplierControlled Expansion alloy Kovar 4J29 Alloy Round Bar and rod supplier 

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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