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[China]
Trade Verify
Address: No. 388 Pangu Road, Baoshan district, Shanghai, 201999, China
Contact name:Martin Lee
Shanghai Tankii Alloy Material Co.,Ltd |
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Verified Suppliers
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Vacodil 42 FeNi Glass Sealing Precision Alloy strip Expand glass alloy For Soft Glass , Ceramic Sealing
Vacodil 42 Iron nickel alloy is obtained at a given temperature range by adjusting the content of nickel internal energy and the expansion coefficient of different soft glass and ceramic matching a series of expansion alloy, its expansion coefficient and the Curie temperature increases with the increase of nickel content.The assembly is widely used in electric vacuum industry the sealing structure of the material.
Chemical composition
| composition | % | Fe | Ni | Mn | C | P | S | Si | Al |
| content | min | Bal | 41.5 | ||||||
| max | 42.5 | 0.8 | 0.05 | 0.02 | 0.02 | 0.3 | 0.1 |
Physical and chemical properties
| Density (g/cm3) 8.12 |
| Electrical resistivity at 20ºC(mm2/m) 0.61 |
| Hardness(HV) 135 |
| Thermal conductivity, λ/ W/(m*ºC) 14.6 |
| Curie point Tc/ ºC 360 |
| Elastic Modulus, E/ Gpa 147 |
| Melting point ºC 1430 |
Main purpose:
mainly used for soft glass and ceramic sealing,
Make electronic tubes, transistors and integrated circuit leads, Frame and seal plug.
Supply status
There are rods, tube, rods, strip and wire.
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 |
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.
