Kovar wire strip ribbon sheet bar
10.0~40.0 USD
| Min. Order: | 1 Kilogram |
|---|---|
| Trade Term: | FOB |
| Payment Terms: | L/C, T/T, WU |
| Supply Ability: | 5 ton/ month |
| Place of Origin: | Shanghai |
Company Profile
| Location: | China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
Product Detail
| Model No.: | Kovar |
|---|---|
| Means of Transport: | Ocean |
| Type: | Furnace |
| Processing Type: | Others |
| Brand Name: | wisdom |
| wires: | 0.05-10mm |
| ribbons: | 0.05*0.2-2.0*6.0mm |
| strips: | 0.05*5.0-5.0*200mm |
| bars: | D10-100mm |
| Production Capacity: | 5 ton/ month |
| Packing: | cartons, braided bags, spools, coils |
| Delivery Date: | 20-30 days (depend on the quantity of the order) |
Product Description
Kovar alloy is a vacuum melted, iron-nickel-cobalt alloy that is widely used in the electronics industry.suitable for sealing to hard glasses, in applications requiring high reliability or resistance to thermal shock, ie. high power transmitting valves.
Chemical Compositions::
Chemical Compositions::
C | Ni | Fe | Si | Mn | S | Co |
Max0.02 | Nom29.0 | Balance | Max0.20 | Max0.30 | Max0.025 | Nom17.0 |
Thermal Expansion Properties:
Temperature | Coefficient | ||
77°F to | 25°C to | 10(-6)/°F | 10(-6)/°C |
212 392 572 662 752 842 932 1112 1292 1472 1652 | 100 200 300 350 400 450 500 600 700 800 900 | 3.25 2.89 2.85 2.72 2.81 2.92 3.41 4.34 5.06 5.73 6.25 | 5.86 5.20 5.13 4.89 5.06 5.25 6.15 7.80 9.12 10.31 11.26 |
Mechanical Properties in the Annealed Condition:
Yield Strength (0.1% Offset) | Tensile Strength | Elongation | ||
psi | MPa | psi | MPa | (%) |
49,000 | 340 | 75,000 | 520 | 42 |
Physical Properties:
DENSITY | 8.16 g/cm3 | 0.295 lb/in3 |
MELTING POINT | 1450oC | 2640oF |
INFLECTION POINT | 450°C | 840°F |
THERMAL CONDUCTIVITY | 16.7 W/m•°C | 116 btu•in/ft2•h°F |
