COLD ROLLED STEEL SHEET WITH EXCELLENT MAGNETIC PROPERTY AND BURR RESISTANCE

PROBLEM TO BE SOLVED: To inexpensively manufacture a cold rolled steel sheet having excellent magnetic properties and burr resistance. SOLUTION: The cold rolled steel sheet has a composition consisting of ≤0.0050% C, ≤0.1% Si, 0.05 to 0.5% Mn, ≤0.03% P, ≤0.02% S, 0.02 to 0.10% sol.Al, ≤0.0050% N, 0....

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Bibliographische Detailangaben
Hauptverfasser:	KUMAGAI MASATOSHI, YAMAGAMI NOBUO, TAWARA KENJI
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 inexpensively manufacture a cold rolled steel sheet having excellent magnetic properties and burr resistance. SOLUTION: The cold rolled steel sheet has a composition consisting of ≤0.0050% C, ≤0.1% Si, 0.05 to 0.5% Mn, ≤0.03% P, ≤0.02% S, 0.02 to 0.10% sol.Al, ≤0.0050% N, 0.0002 to 0.0015% B, 0.005 to 0.030% Nb, 0.002 to 0.015% Ti and the balance Fe with inevitable impurities and satisfying Nb+Ti≥0.015% and also has ≥0.50 T magnetic flux density at a 50 Hz AC magnetic field of 300 A/m. It is preferable to manufacture the cold rolled steel sheet by continuous annealing. COPYRIGHT: (C)2008,JPO&INPIT