Glass To Metal Seals Sealed Alloy ASTM F30 UNS K94100

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  • Last update:

    2017-12-11 16:12

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Xiamen Jingxin Imp. & Exp. Co.,Ltd
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0086-592-5802700

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Beijing

Address:

Xiamen Jingxin Imp. & Exp. Co.,Ltd

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Precision Alloy 4J42/4J48/4J52 

The application of Precision Alloy 4J42/4J48/4J52 :  It is applied to soft glass-to-metal and ceramic-to-metal seals in electronic component.

*Alloy 42,ASTM F30,UNS k94100,(Fe-42Ni),Chinese 4J42

*Alloy 52,ASTM F30,UNS K95050, (Fe-50Ni),Chinese 4J50

*sealmet HC-4,,alloy426, ASTM F31,UNS k94760, (Fe-42Ni-6Cr),Chinese 4J6

Usage: It is applied to soft glass-to-metal and ceramic-to-metal seals in electronic component.



Table 1 Grade & Chemical Composition


Grade

Grade & Chemical Composition(%)

C

P

S

Mn

Si

B

Al

Co

Ni

Cr

Fe

4J6

0.05

0.020

0.020

0.25

0.30

 

0.20

 

41.5~42.5

5.50~6.30

Balance

4J47

0.05

0.020

0.020

0.40

0.30

 

 

 

46.8~47.8

0.80~1.40

Balance

4J49

0.05

0.020

0.020

0.40

0.30

0.02

 

 

46.0~48.0

5.00~6.00

Balance

4J42

0.05

0.020

0.020

0.80

0.30

 

0.10

1.0

41.5~42.5

 

Balance

4J45

0.05

0.020

0.020

0.80

0.30

 

0.10

 

44.5~45.5

 

Balance

4J50

0.05

0.020

0.020

0.80

0.30

 

0.10

 

49.0~50.5

 

Balance

4J52

0.05

0.020

0.020

0.60

0.30

 

-

 

51.5~52.5

 

Balance

4J54

0.05

0.020

0.020

0.60

0.30

 

-

-

53.5~54.5

 

Balance


Notes:

1,Under condition that the average coefficient of the linear expansion meets the requirements of the standard, the content of nickel and cobalt are allowed to deviate from the stated range.

2,The shape and dimensions of the alloys are in compliance with YB/T5235.


Table 2 Heat Treatment & Coefficient of Linear Expansion


Grade

Heat Treatment System of the Samples

Average Coefficient of Linear Expansion

20-300°C

20~400°C

20-450°C

4J6

To be heat treated at a temperature of 1130±20°C 

in the hydrogen, hold for 15 min., 

cool to 200°C at a rate less than 5°C/min

7.6~8.3

9.5~10.2

 

4J47

 

8.1~8.7

 

4J49

8.6~9.3

9.4~l0.1

 

4J42

To be heat treated at a temperature of 900±20°C 

in the hydrogen, hold for 1h, 

cool at a rate less than 5°C/min to 200°C

4.0~5.0

 

6.5~7.5

4J45

6.5~7.2

6.5~7.2

 

4J50

9.2~10.0

9.2~9.9

 

4J52

To be heat treated at a temperature of 850±20°C 

in the hydrogen, hold for 1h, 

cool at a rate less than 300°C/H to 400°C

9.8~11.0

9.8~11.0

 

4J54

10.2~11.4

10.2~11.4

 


Table 3 Typical Expansion Coefficient


Grade

Average Coefficient of Linear Expansion ã/(10-6/K)

20~100°C

20~200°C

20~300°C

20~400°C

20~450°C

20~500°C

20~600°C

4J6

6.8

7.0

7.7

9.7

 

11.1

12.2

4J47

8.1

8.6

8.3

8.3

 

9.1

10.0

4J49

9.0

9.0

8.9

9.6

 

10.9

11.8

4J42

5.6

4.9

4.8

5.9

6.9

7.8

9.2

4J45

7.5

7.5

7.1

7.2

7.1

8.3

9.5

4J50

9.8

9.8

9.5

9.4

 

9.7

10.6

4J52

10.3

10.4

10.2

10.3

10.3

10.3

10.8

4J54

10.7

12.7

10.7

10.8

10.3

10.8

11.2



Size Range:

1.Sheet---Thickness 0.1mm~3.5mm, width:≤300mm,Condition: cold rolled, bright, bright annealed

2.Plate---Thickness 3.5mm~40.0mm,width:≤300mm,Condition: cold rolled, hot rolled, annealed

3.Round Wire---Dia 0.1mm~Dia 5.0mm,Condition: cold drawn, bright, bright annealed

4.Flat Wire---Dia 0.5mm~Dia 5.0mm,length:≤1000mm,Condition:flat rolled, bright annealed

5.Bar---Dia 5.0mm~Dia 8.0mm,length:≤2000mm,Condition:cold drawn,bright, bright annealed

---Dia 8.0mm~Dia 32.0mm,length:≤2500mm,Condition:hot rolled,bright, bright annealed

---Dia 32.0mm~Dia 180.0mm,length:≤1300mm,Condition:hot forging,peeled, turned, hot treated

6.Capillary---OD 8.0mm~1.0mm,ID 0.1mm~8.0mm,length:≤2500mm,Condition: cold drawn, bright, bright annealed

7.Pipe---OD 120mm~8.0mm,ID 8.0mm~129mm,length:≤4000mm,Condition: cold drawn, bright, bright annealed