FIELD: metallurgy; articles made from cold work tool steel.
SUBSTANCE: proposed article is made from tool steel containing the following components: carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, nickel, vanadium, tungsten, copper, cobalt, aluminum, nitrogen, oxygen, iron and unavoidable admixtures; steel is made by powder metallurgy method. After martempering, steel has hardness of 64 HRC and impact elasticity at room temperature more than 57.14 J/cm2.
EFFECT: enhanced wear resistance, hardness and ductility.
7 cl, 1 dwg
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