Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1

Product Details
Customization: Available
Product Type: Wire
Material: Fenico
Manufacturer/Factory & Trading Company

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Number of Employees
15
Year of Establishment
2012-02-06
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
  • Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
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Basic Info.

Model NO.
4J50
PCD
98mm
ET
0
Hole
0
Status
Annealling Bright
Type
Strip,Sheet
Density
8.21g/cm3
Resistivity
0.44ohmmm2/M
Common Name
Kovar, Nilo K, Kv-1, Dilver Po, Vacon 12
Curie Point
500
Elastic Modulus
158
Transport Package
Wooden Case
Specification
>10mm
Trademark
UALLOY
Origin
Hangzhou
HS Code
7226999001
Production Capacity
5000tons/Year

Product Description

FeNi Expansion Alloy 4J50,Vacovit 500,Nilo51,Ns-1

4J50 the other common Name: 50H, N50, Vacovit 500, FeNi50, Nilo51, Ns-1


4J50 is mainly composed of iron, nickel elements. It is characterized with a fixed coefficient of expansion.
 
FeNi Glass Sealing Alloys
Grade 4J42,4J45,4J50,4J52,4J54
Size Strip:(0.03-0.1)mm*(180-250)mm
(0.1-1.0)mm*(10-250)mm
(1.0-3.0)mm*(100-250)mm
Wire:0.1-6.0mm
Bar:20-100mm(Hot forging)
       2.0-20mm(Cold drawing)
Features It has a certain linear expansion coefficient in a certain temperature rang
Application Used as soft glass or ceraimc sealing material in the electric vacuum industry.
Normal composition%
Grade C P S Mn Si Al Ni Co Fe
4J42 0.05 0.02 0.02 0.8 0.3 0.1 41.5-42.5 1.0 Bal.
4J45 0.05 0.02 0.02 0.8 0.3 ≤0.1 44.5-45.5 / Bal.
4J50 0.05 0.02 0.02 0.8 0.3 ≤0.1 49.5-50.5 / Bal.
4J52 0.05 0.02 0.02 0.6 0.3 / 51.5-52.5 / Bal.
4J54 0.05 0.02 0.02 0.6 0.3 / 53.5-54.5 / Bal.

4J50 Typical Physical properties
Density (g/cm3) 8.21
Electrical resistivity at 20ºC(ohm.mm2/m) 0.44
Thermal conductivity, λ/ W/(m*ºC) 16.7
Curie point   Tc/ ºC 500
Elastic Modulus,  E/ Gpa 158

4J50 Coefficient of expansion
θ/ºC α1/10-6ºC-1 θ/ºC α1/10-6ºC-1
20~100 9.8 20~400 9.4
20~200 9.8 20~450 9.4
20~300 9.5 20~500 9.7
20~350 9.4 20~600 10.6

 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

Style of supply
Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1

Packing and Shipping
Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1


Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1

Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
Our test machines
Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1
Our other precision alloy
Feni Expansion Alloy 4j50, Vacovit 500, Nilo51, Ns-1

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 the size is not in stoct, our MOQ will be about 30kgs.

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.


 

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