Copper tungsten, also known as CuW, W-Cu and tungsten copper, is a popular composite metal used in many industries due to its unique thermal conductivity properties among other reasons. CuW components are used heavily in the laser industry and they make good heat sinks.
These features make CuW attractive for many applications:
-Heat resistant
-Ablate resistant
-Self cooling
-Excellent thermal and electrical conductivity
-Low wear
-High contour sharpness
-Good machinability
For further details contact Blake Kneedler, Estimator 408-748-9955 x113 or bkneedler@intatech.com
Pricing depends on size. The material costs are increasing but CuW is still affordable. Contact our sales office and request a quote contact@intatech.com
Here is a list outlining a few differences:
90/10 is approx. 14% more dense
90/10 thermal conduction is approx. 19% lower
90/10 CTE is 26% lower
90/10 is more expensive
90/10 has longer lead times
For further information contact our sales office: 408-748-9955 x113
Yes. CuW must not be porous if it is to be plated. The material must be very dense in order to plate properly with various metals.
Yes, INTA Technologies Corp. regularly plates copper tungsten with nickel, silver, gold, copper, platinum, etc. Many plating companies do not have the technology to plate copper tungsten and a special process must be followed. Many companies from all across North America have come to INTA Technologies over the years because of our reputation for quality plating and plating on CuW. It is not uncommon for companies to unknowingly send their parts to another plater and experience difficulty and then turn to INTA for stripping, rework and replating after discovering that INTA is one of the few companies that excel at plating CuW.
Wolfram is the classic name of tungsten, hence the W designation for tungsten on the periodic table.
INTA Technologies can seal very small parts in the range of tens of mils (less than one millimeter). Each project is unique, contact us for a free design review and quote.
Largest items are 8” in length and 4” in diameter although these large pieces are infrequent.
Lead times vary from project to project. Allow at least 2-3 weeks minimum. A typical lead time is 6 weeks which allows for tooling, plating and part marking. 90/10 material has the longest lead times, other grades can be manufactured slightly faster.
INTA inspects and tests CuW material and components throughout the process. INTA retains all the equipment needed to check many features of the CuW including CMM, XRF, micrometers, microscopes, ovens and furnaces (for bake tests), surface prep equipment and much, much more. For further details please contact Quality Manager, George Baltazar 408-748-9955 x123 or gbaltazar@intatech.com
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Last revised: 8 FEB 2008