ELECTROMAGNETIC STAINLESS STEEL WITH EXCELLENT TOOL LIFE CHARACTERISTIC

摘要

PROBLEM TO BE SOLVED: To provide electromagnetic stainless steel having excellent tool life characteristics for use as represented by a direct-injection injector, a torque sensor for electric power steering, etc.;SOLUTION: The electromagnetic stainless steel having excellent tool life characteristics has a composition consisting of, by mass, ≤0.05% C+N, ≤3.0% Si, ≤0.5% Mn, ≤0.035% P, 0.01 to 0.1% S, 4.0 to 17.0% Cr, ≤3.0% Al, ≤0.01% O, 0.2 to 3.2% (AL+ Si), either or both of Ti and Zr, and the balance Fe, and satisfying relations of S/(C+N)≥1.9, N/(C+N)=0.3 to 0.6, and (Ti+0.49Zr)/S=2 to 6 with the addition of one or two kinds of Ti or Zr.;COPYRIGHT: (C)2005,JPO&NCIPI