HIGH STRENGTH DIRECTLY PATENTING ROD AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a wire rod practically free from breaking of wire resultant from flaws caused by handling, etc., at transportation. SOLUTION: The high strength directly patenting wire rod, which has 4.0 to 16 mm diameter and in which the formation of chafing martensite in the surfac...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YOSHIMURA YASUTSUGU, SAITO HITOSHI, SAWARA SUSUMU, YOSHIE ATSUHIKO, NISHIDA TSUGUNORI, HIKITA HISASHI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a wire rod practically free from breaking of wire resultant from flaws caused by handling, etc., at transportation. SOLUTION: The high strength directly patenting wire rod, which has 4.0 to 16 mm diameter and in which the formation of chafing martensite in the surface layer is practically prevented by regulating Vickers hardness in the region between the surface layer and a position at a depth of 300 μm from the surface layer to =95 nm, and its manufacturing method are provided.