WIRE HAVING EXCELLENT WIRE DRAWABILITY, AND PRODUCING METHOD THEREFOR

PROBLEM TO BE SOLVED: To provide a wire with wire drawability improved without causing wire-cutting even when the wire-drawing speed is increased, and without shortening service life of a die, in the wire having tensile strength of about 3,000 MPa after drawing. SOLUTION: The wire comprises 0.65-0.7...

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Hauptverfasser:	KOCHI TAKUYA, MARUO TOMOTADA, NISHIMURA MASUMI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CABLES OTHER THAN ELECTRIC 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 MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PERFORMING OPERATIONS PUNCHING METAL ROPES ROPES OR CABLES IN GENERAL TEXTILES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a wire with wire drawability improved without causing wire-cutting even when the wire-drawing speed is increased, and without shortening service life of a die, in the wire having tensile strength of about 3,000 MPa after drawing. SOLUTION: The wire comprises 0.65-0.75% C, 0.1-0.5% Si, 0.1-0.6% Mn, ≤0.015% P (not including 0%), ≤0.015% S (not including 0%), ≤0.004% N (not including 0%), ≤0.003% Al (not including 0%), ≤0.003% O (not including 0%) and the balance Fe with inevitable impurities, and the tensile strength (TS) is made ≤960 MPa and a drawing value (RA) is made ≥40%. COPYRIGHT: (C)2009,JPO&INPIT