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Information × Registration Number 0203U000170, 0102U002583 , R & D reports Title Development of a composite material on the base of modified chromium carbide for a valve pair "ball-valve seat" of sucker-rod well pumps operating in "heavy" oils. popup.stage_title Head Kud' I.V., Registration Date 22-01-2003 Organization I.N.Frantsevich Institute for Probmens of Materials Sciences Ukrainian Academy of Science popup.description2 In the work, a new composite material on the base of chromium and tungsten carbides with an increased density and the technology for manufacturing "balls" for valves of oil-production pumps operating in hard oils were developed. The properties of produced "balls" are comparable with those of chromium carbide-nickel "balls". Product Description popup.authors popup.nrat_date 2020-04-02 Close