Method of making wear-resisting refractory-material dies

Method of making wear-resisting refractory-material dies

Metallic abrasive dust from relevant industrial prodn is first treated at 300-1,300 deg.C to remove SiO2 and other non-ferromagnetic substances, then melted in middle-freq induction furnace to produce die blank and finally heat-treated at 800-1,300 deg.C to obtain required die. The said die thus pro...

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Bibliographische Detailangaben
Hauptverfasser: LEI JISHOU, LEI HONGQIN, GU YANWEI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
METALLURGY
METALLURGY OF IRON
PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL
TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Zusammenfassung:Metallic abrasive dust from relevant industrial prodn is first treated at 300-1,300 deg.C to remove SiO2 and other non-ferromagnetic substances, then melted in middle-freq induction furnace to produce die blank and finally heat-treated at 800-1,300 deg.C to obtain required die. The said die thus produced has long service life and high quality.