| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a spring steel, which is superior in corrosion fatigue strength though having high strength, and to provide the spring. <P>SOLUTION: The spring steel includes 0.35-0.55% C, 1.60-3.00% Si, 0.20-1.50% Mn, 0.10-1.50% Cr, one or more elements with the following concentrations selected from the group consisting of 0.40-3.00% Ni, 0.05-0.50% Mo and 0.05-0.50% V, and the balance Fe with unavoidable impurities. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
