... . Low price 3. Excellent quality tungsten-titanium-tantalum carbide solid solution powder with chromium grade:4K29,4K34,4K11,4K10,YS30,4K12 ... .0~5.02.0~5.0tungsten-titanium-tantalum carbide solid solution powder with chromium tungsten-titanium-tantalum(niobium) carbide solid ...