Product Details
Place of Origin: China
Brand Name: TANKII Alloy
Certification: ISO 9001 and RoHS
Model Number: Kovar / 29НК / 4J29
Payment & Shipping Terms
Minimum Order Quantity: 10KG
Price: USD 30~50/ kg
Packaging Details: Waterproof paper, Carton and Wooden Case
Delivery Time: 10~15day
Payment Terms: T/T, Western Union, L/C, Paypal
Supply Ability: 30000KG per month
Shape: |
Strip, Foil, Sheet, Wire |
Condition: |
Bright/ Oxidized; Soft/ Hard |
Standard: |
YB/T5231-2005 / ГОСТ 14080-78 |
Color: |
Silver |
Weight Of Coil: |
1~45 KG |
Density: |
8.4 |
Shape: |
Strip, Foil, Sheet, Wire |
Condition: |
Bright/ Oxidized; Soft/ Hard |
Standard: |
YB/T5231-2005 / ГОСТ 14080-78 |
Color: |
Silver |
Weight Of Coil: |
1~45 KG |
Density: |
8.4 |
1.Description
Glass sealing alloy is one kind of alloy whose gas expansion coefficient is very close to the sealing glass expansion coefficient.
Chemical Content(%)
Mn |
Ni |
Co |
C |
Si |
P |
S |
Fe |
0.25 |
29.1 |
17.3 |
0.015 |
0.12 |
0.006 |
0.005 |
Bal |
Mechanical Properties
Density |
8.17 g/cm3 |
Thermal Expansion Coefficient (20~300ºC) |
5.0*10-6 /ºC |
Thermal Expansion Coefficient (20~450ºC) |
5.2*10-6 /ºC |
Curie Point |
430ºC |
Volume Resistivity (20ºC) |
46μΩ.cm |
Thermal Conductivity |
20.3W/m. ºC |
Temper rolled |
As annealed | |
| Yield Strength | 695 Mpa | 315 Mpa |
| Tensile Strength | 780 Mpa | 520 Mpa |
| Elongation | 5% | 24% |
| Hardness | 230 HV | 48 HV |
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.
Video
