The steel sheet and its production manner for the tension mask, the tension mask, the manner null which improves the magnetic property of the cathode ray tube, and the steel sheet for the tension mask

摘要

PROBLEM TO BE SOLVED: To provide a steel sheet for a tension mask which has excellent magnetic shield properties, and a method for producing the steel sheet. ;SOLUTION: The steel sheet has a composition containing, by weight, 0.1% C, 0.2% Si, 0.4 to 2% Mn, ≤0.1% P, ≤0.03% S, ≤0.01% sol.Al and 0.003 to 0.02% N, and the balance substantially Fe, and has a non-hysteresis permeability of ≥5,000.;COPYRIGHT: (C)2003,JPO