| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a material used for a magnetic shield for color picture tube and having excellent inner magnetic shielding property and superior handling strength, its manufacturing method, a magnetic shielding material for color picture tube, and a color picture tube. <P>SOLUTION: A low-carbon steel strip having a composition consisting of, by weight, ≤0.010% C, ≤0.03% Si, ≤1.5% Mn, ≤1.0% P, ≤0.030% S, 0.001 to 1.60% Cu, ≤0.100% Al, ≤0.0050% N, 0.002 to 0.100% Ti, 0.001 to 0.005% B and the balance Fe with inevitable impurities is cold rolled, and the resultant steel sheet is continuously annealed at ≥720°C and then subjected to Cr plating or Ni plating to obtain the material for magnetic shield for color picture tube. <P>COPYRIGHT: (C)2004,JPO |
