OIL-TEMPERED WIRE AND METHOD OF MANUFACTURING THE SAME

A HIGH-TOUGHNESS OIL-TEMPERED WIRE FOR SPRINGS WHICH IS LESS LIKELY TO SUFFER A PERMANENT SET AND HIGH IN STRENGTH AND TOUGHNESS. THE WIRE IS MADE OF A STEEL CONTAINING PREDETERMINED AMOUNTS OF C, SI, MN, A1 AND TI, TO WHICH ARE SELECTIVELY ADDED PREDETERMINED AMOUNTS OF V, MO, W AND NB. AFTER QUENC...

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Hauptverfasser:	SADAMU MATSUMOTO, TAKASHI YOSHIOKA, TERUYUKI MURAI
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL 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 TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	A HIGH-TOUGHNESS OIL-TEMPERED WIRE FOR SPRINGS WHICH IS LESS LIKELY TO SUFFER A PERMANENT SET AND HIGH IN STRENGTH AND TOUGHNESS. THE WIRE IS MADE OF A STEEL CONTAINING PREDETERMINED AMOUNTS OF C, SI, MN, A1 AND TI, TO WHICH ARE SELECTIVELY ADDED PREDETERMINED AMOUNTS OF V, MO, W AND NB. AFTER QUENCHING AND TEMPERING, THE CONTENT OF RESIDUAL (GAMMA) IS 1-5 VOL. , AND/OR THE DENSITY OF CARBIDES 0.05 µM OR MORE IN PARTICLE DIAMETER IS 5 PIECES PER µM2 OR LESS AS VIEWED ON A STRUCTURE OBSERVATION PHOTO.