FIELD: thermochemical treatment, mainly, borosulfocarbonitriding of cutting tools in electrolyte plasma. SUBSTANCE: electrolyte contains, mas.%: sodium thiosulfate, 10-15; ammonium chloride, 14-16; carbamide, 10-15; borax, 10-15; soda, 8-10; water, the balance. EFFECT: increased wear and score resistance of cutting tool surface. 4 ex
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