FIELD: manufacture of corrosion-resistant envelopes of containers designed for storing radioactive materials. SUBSTANCE: method for making envelope of container comprises steps of friction welding at agitation at least of two sections of copper or copper alloy; inside container envelope (made with possibility of opening) providing structure for placing radioactive materials to be stored in container welded at agitation; loading radioactive materials to container through opening provided in it and welding cover to said opening. Radioactive materials may contain waste radioactive matters. EFFECT: enhanced quality of containers, improved process for storing radioactive materials. 14 cl, 8 dwg, 2 ex
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