Feral Nickel Alloy Kovar Wire for Glass Vacuum

Product Details
Customization: Available
Product Type: Strip
Material: Ni-Cr-Fe
Diamond Member Since 2008

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  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
  • Feral Nickel Alloy Kovar Wire for Glass Vacuum
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Basic Info.

Carbon Content
Low Carbon
Serves
Small Order Accepted
Size
0.02-5mm
Sample
Free
standard
GB/ASTM/JIS/BIS/DIN
Transport Package
Wooden Cases
Specification
SGS
Trademark
TANKII
Origin
Shanghai
HS Code
75052200
Production Capacity
2000 T/Year.

Product Description

Feral Nickel Alloy Kovar Wire for Glass Vacuum
Relative Grade:
29H Kovar Nilo K KV-1 Dilver P0 Vacon 1229H-B Rodar Telcaseal KV-2 Dilver P1 Silvar 48
Specification: Sheet/Plate, Bar/Rod/Wire/Coil,Capillary/Pipe/Tube 
Description
Kovar is a nominal 29%Ni-17%Co-54%Fe alloy that is a well-known glass-sealing alloy suitable for sealing to hard glasses. Kovar has a nominal expansion coefficient of approximately 5 ppm/°C and inflection temperature of ~450 °C (840 °F).
Kovar (ASTM F15) has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide application in power tubes, microwave tubes, transistors, and diodes. In integrated circuits, it has been used for the flat pack and the dual-in-line package.
Chemical Composition
Grade C% P% S% Mn% Si%   Cu% Cr% Mo% Ni% Co% Fe%
Kovar Max 0.03 Max 0.020 Max 0.020 Max 0.50 Max 0.30   Max 0.20 Max 0.20 Max 0.20 28.5-29.5 16.8-17.8 Bal.
Specifications
Grade UNS Werkstoff Nr. ASTM
Kovar K94610 1.3981 F15  
Physical Properties
Grade Density Melting Point
Kovar 8.17 g/cm3 1449°C
Mechanical Properties
Grade Tensile Strength N/mm²
Soft 1/4 Hard 1/2 Hard 3/4 Hard Full Hard
Kovar Strip <570 520-630 590-700 600-770 >700
Kovar Wire <585 585-725 655-795 725-860 >860
Coefficient of Expansion
Alloy Linear Coefficient of Thermal Expansion ā,10-6/ºC
20-200ºC 20-300ºC 20-400ºC 20-450ºC 20-500ºC 20-600ºC 20-700ºC 20-800ºC
Kovar 5.9 5.3 5.1 5.3 6.2 7.8 9.2 10.2
Size Range
Kovar Wire: ¢0.1mm-¢9mm
Kovar Bar: ¢11mm-¢200mm
Kovar Strip: 75-110mm*0.15-22mm

Feral Nickel Alloy Kovar Wire for Glass Vacuum

 

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