利索-全球专利检索

  1. 登录
  2. 注册
发明公开
CN102162068A 一种弹簧钢及其制造和热处理方法 失效 - 权利终止 转让

一种弹簧钢及其制造和热处理方法
摘要：
本发明公开了一种弹簧钢，其成分质量百分比为：C 0.3～0.5％、Si 1.0～2.5％、Mn 0.3～1.5％、Cr 0.1～1.0％、Ni 0.01～0.30％、Cu≤0.15％、P≤0.010％、S≤0.010％，余量为Fe和不可避免的杂质，所述弹簧钢可以冷成型的加工方法制造高速铁路轨道扣件。本发明还公开了所述弹簧钢的一种制造和热处理方法，其可以使上述弹簧钢的屈服强度(Rm)≥1000MPa，抗拉强度(Rp0.2)≥1200MPa，延伸率(A)≥6％，断面收缩率(Z)≥30％，满足高速铁路轨道的扣件要求。
摘要（英）：

The invention discloses a spring steel, which comprises the following components in percentage by mass: 0.3 to 0.5 percent of C, 1.0 to 2.5 percent of Si, 0.3 to 1.5 percent of Mn, 0.1 to 1.0 percent of Cr, 0.01 to 0.30 percent of Ni, less than or equal to 0.15 percent of Cu, less than or equal to 0.010 percent of P, less than or equal to 0.010 percent of S, and the balance of Fe and inevitable impurities, wherein the spring steel can be manufactured into high-speed railway rail buckles by a processing method of cold forming. The invention also discloses a manufacturing and thermal treatment method of the spring steel. By the method, the yield strength (Rm) of the spring steel is more than or equal to 1,000MPa, the tensile strength (Rp0.2) is more than or equal to 1,200MPa, the elongationrate (A) is more than or equal to 6 percent, the section shrinkage rate (Z) is more than or equal to 30 percent, and the buckle requirements of high-speed railway rails are met.

公开/授权文献
0/0