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Nickel Alloy Tube- Kovar,Invar,Inconel Seamless And Welded Technic

Nickel Alloy Tube- Kovar,Invar,Inconel Seamless And Welded Technic

Description

Kovar tube NiFe29 Alloy Seamless Tube- OD27mmxWall1mm UALLOY is good at produce 0.5~15mm precision mini tubes, some of parts tolerance less than 0.005mm. UALLOY according ISO9001 and TS16949 management system to reference, parts according customer ’ s normative documents to implement. Now our...

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Nickel Alloy Tube- Kovar,Invar,Inconel seamless and welded technic


    UALLOY is good at produce 0.5~15mm precision mini tubes, some of parts tolerance less than 0.005mm. 

    UALLOY according ISO9001 and TS16949 management system to reference, parts according customer’s normative documents to implement. 

    Now our main raw material as follows: NICKEL (N6,N4,N200,N201),KOVAR (KV-2,KV-6,FeNiCo2918,4J29),NIFE (NiFe47,NiFe42,4J50,4J42,4J36),STAINLESS STREEL(SUS304,SUS316,SUS316L,SUS321),NICKEL CHROMENi90Cr10,Ni80Cr20,INCONEL600 etc.),OTHER (MENEL,Ti etc.). These parts mainly used in: Electric vacuum, Backlight, Glass hermetic packing, Li-battery, Medical tool, Fiber and communication, Automotive safe systems,  heater etc.  Many parts export to America and Europe. 


Chemical Composition

Grade

C%

P%

S%

Mn%

Si%

Cu%

Cr%

Mo%

Ni%

Co%

Fe%

Kovar

Max 0.03

Max 0.020

Max 0.020

Max 0.50

Max 0.30

Max 0.20

Max 0.20

Max 0.20

28.5-29.5

16.8-17.8

Bal.

 

Specifications

Grade

UNS

Werkstoff Nr.

Kovar

K94610

1.3981

 

Physical Properties

Grade

Density

Melting Point

Kovar

8.17 g/cm3

1449°C

 

Mechanical Properties

Grade

Tensile Strength N/mm²

Soft

1/4 Hard

1/2 Hard

3/4 Hard

Full Hard

Kovar Strip

<570

520-630

590-700

600-770

>700

Kovar Wire

<585

585-725

655-795

725-860

>860

 

Coefficient of Expansion

Alloy

Linear Coefficient of Thermal Expansion a,10-6/°C

20-200°C

20-300°C

20-400°C

20-450°C

20-500°C

20-600°C

20-700°C

20-800°C

Kovar

5.9

5.3

5.1

5.3

6.2

7.8

9.2

10.2


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