Shanghai Tankii Alloy Material Co.,Ltd
| Payment Terms | T/T, Western Union, L/C, Paypal |
| Supply Ability | 30000KG per month |
| Delivery Time | 10~15day |
| Packaging Details | Waterproof paper, Carton and Wooden Case |
| 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 |
| Brand Name | TANKII Alloy |
| Model Number | Kovar / 29НК / 4J29 |
| Certification | ISO 9001 and RoHS |
| Place of Origin | China |
View Detail Information
Explore similar products
Dumet Wire 0.35mm Red Color Filament Used As Sealing Material For All Kinds Of
Dia 1.2mm Aluminum Magnesium Alloy Extruding Welding Wire Az31 Az61 Az91
ROHS Standard Precision Alloys FeNi48/50 SUPRA 50 / 50T / 50SP Sheet For
Kovar / Nilo K Expansion Precision Alloy Ribbon For Glass Sealing
Product Specification
| Payment Terms | T/T, Western Union, L/C, Paypal | Supply Ability | 30000KG per month |
| Delivery Time | 10~15day | Packaging Details | Waterproof paper, Carton and Wooden Case |
| 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 |
| Brand Name | TANKII Alloy | Model Number | Kovar / 29НК / 4J29 |
| Certification | ISO 9001 and RoHS | Place of Origin | China |
| High Light | soft magnetic alloy ，kovar alloy | ||
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.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1981
Total Annual:
8000000-100000000
Employee Number:
90~100
Ecer Certification：
Verified Supplier
Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb... Shanghai Tankii Alloy Material Co., Ltd.specialized in production of Resistance Heating Alloy, Nickel Chromium Alloy, Iron Chromium Aluminum Alloy, Nickel Aluminum Alloy, Manganin, Copper Nickel Alloy, thermocouple wire, pure nickel and other precision alloy materials in the form of round wire, ribb...
Get in touch with us
Leave a Message, we will call you back quickly!