Tungsten Carbide Cobalt Rod

Our company provides customers with a variety of high quality carbide round bars: round bar blanks, non-porous blanks and finished round bars. At the same time, our company can also provide customers with a bar with one hole, two or more holes. We can provide round rods with a length range of 2-330mm and a diameter of ф0.4-ф330mm.


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Tungsten Carbide is a hard, brittle ceramic which, when combined with 6% to 10% Cobalt, forms a tough Cermet (Ceramic-Metal). This material was developed for use in cutting tools, having hard ceramic crystals of a few microns in size within a ductile metal matrix. The resulting material can withstand the high compressive stresses imposed during cutting, as well as having good wear and oxidation resistance at the high temperatures reached. Tungsten Carbide/ Cobalt has a high resistance to thermal shock, so is able to withstand the rapid temperature fluctuations. Also, this has found a use as electrodes for Electrode Discharge Machining.