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Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd
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42 FeNi Glass Sealing Alloy Wire Precision Tubing For Soft Glass , Ceramic Sealing

Product Details

Place of Origin: SHANGHAI

Brand Name: Tankii

Certification: ISO9001

Model Number: Glass Sealing42

Payment & Shipping Terms

Minimum Order Quantity: 50 kg

Price: usd + 22.1 + kg

Packaging Details: wooden case

Delivery Time: 15-20 day

Payment Terms: L/C, D/A, D/P, T/T

Supply Ability: 50 + Ton + month

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Specifications
Highlight:

soft magnetic alloy

,

kovar alloy

Chemical Composition:
FeNi42
Resistivity:
0.61
Density:
8.12g/cm3
Thermal Conductivity:
14.6
Curie Point:
360
Hardness:
135HV
Chemical Composition:
FeNi42
Resistivity:
0.61
Density:
8.12g/cm3
Thermal Conductivity:
14.6
Curie Point:
360
Hardness:
135HV
Description
42 FeNi Glass Sealing Alloy Wire Precision Tubing For Soft Glass , Ceramic Sealing

Glass Sealing42 FeNi Glass Sealing alloy wire FeNi42 wire For and soft glass, ceramic sealing

 

​Glass Sealing42 alloy is mainly composed of iron, nickel elements. It is characterized with a fixed coefficient of expansion. Increase the thermal expansion coefficient and the Curie point with increase of nickel content.
​Glass Sealing42 alloy is widely used the structure of the sealing material in the electric vacuum industry.

Normal composition%

Ni 41.5~42.5 Fe Bal. Co - Si ≤0.3
Mo - Cu - Cr - Mn ≤0.8
C ≤0.05 P ≤0.02 S ≤0.02 Al ≤0.1


Typical Physical properties

Density (g/cm3) 8.12
Electrical resistivity at 20ºC(Om*mm2/m) 0.61
Thermal conductivity, λ/ W/(m*ºC) 14.6
Curie point Tc/ ºC 360
Elastic Modulus, E/ Gpa 147



Coefficient of expansion

θ/ºC α1/10-6ºC-1 θ/ºC α1/10-6ºC-1
20~100 5.6 20~400 5.9
20~200 4.9 20~450 6.9
20~300 4.8 20~500 7.8
20~350 4.95 20~600 9.2


Typical Mechanical properties

Tensile Strength Elongation
Mpa %
490 35
The heat treatment process
Annealing Heated to 900 ±20ºC in a hydrogen atmosphere
Holding time, h 1 hour
cooling With speed not more than 5 ºC / min. cooling to below 200 ºC

 

Glass Sealing42 alloy is mainly used for soft glass and ceramic seal, such as electron tubes, transistors and integrated circuit of fuses, framework, and the sealing plug

 

42 FeNi Glass Sealing Alloy Wire Precision Tubing For Soft Glass , Ceramic Sealing 0

FAQ

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.

Send your inquiry
Please send us your request and we will reply to you as soon as possible.
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