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TUNGSTEN COPPER - COPPER ALLOYS
     

Tungsten-Copper and Molybdenum-Copper
     
Marketech International, Inc. offers a wide variety of Tungsten products including Tungsten Copper and Copper Alloys
     
     
     
     
     
     
 
 
  Description of Tungsten-Copper Alloys  
           
  As high performance materials, Tungsten-Copper and Molybdenum-Copper are characterized by high thermal conductivity, low thermal expansion and high wear resistance combined with excellent electrical conductivity. These composites are made by infiltrating porous tungsten or molybdenum with molten copper in a vacuum. Thus providing a direct copper path for heat or electrical conductivity.  
   
   
   
   
           
  Tungsten-Copper for Electrical Application  
           
  Alloys and Properties  
  High Voltage Arc Contacts, Vacuum Contacts, Electrodes for Resistant Welding and Spark Erosion, Leaders for Steel Rolling, Dies for Casting, Balance Weights, Rocket Parts.  
   
   

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Products

  
Aerogel  
Ceramics Engineered  
Crystals Single  
Electrochemical  
Heat Sinks  
Refractory Metal Alloys  
Sapphire Materials  
Scintillators  
Super Conductors  
Tungsten  
     

 
Product Sourcing  
Fabrication  
     
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Marketech Intl, Inc.

  

192 Otto Street

  

Port Townsend, WA 98368

  
Tel: 360-379-6707  
Toll Free: 877-452-4910  
   
  Type Density
(g/c3)		 HB
(MPa)		 Electrical
Conductivity
(% IACS)		 Form  
       
           
  WCu10 16.8-17.2

> 2550

 > 27

Rods, Bars
Sheets,Plates,
Parts

  
   
  WCu20 15.2-15.6 > 2160 > 34  
   
  WCu25 14.5-15.0 > 1940 > 38  
   
  WCu30 13.8-14.4 > 1720 > 42  
   
             
 
 
     
  Heat Sink Applications  
             
  Heat Sinks and Spreaders, Microwave Carriers, Hermetic Package Bases and Housings, Ceramic Substrate Carriers, GaAs and Silicon Device Mounts, Laser Diode Mounts.  
             
  Tungsten-Copper for Heat Sinks    
             
  Alloys and Properties  
             
  Properties WCu10 WCu15 WCu20 WCu25  
   
  Density g/cm3 17.0 16.3 15.4 14.9  
   
  CTE, ppm/K 6.5 7.0 8.3 9.0  
   
  Thermal conductivity
W/m.K		 1700-1800 190-200 200-220 220-250  
   
             
 

Typical Size

  
  Ground Finish Bars Ground Finish Sheets  
   
  Diameter (mm) Max. Length (mm) Thickness (mm) Max. Width x
Max. Length (mm)		  
   
  4 - 8 175 1.2 20 x 80  
   
  10 - 50 203 3.3 30 x 150  
   
  > 60 350 5 50 x 150  
   
  - - 10 100 x 200  
   
  - - 20 200 x 300  
   
  - - 30 - 100 300 x 400  
   
             
 

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Please select "Fabrication Group" for more information on our custom capabilities. Can't find the material you are looking for on our site? Please select "Product Sourcing".