钢 制弹簧片用热轧筋及带槽的扁钢 公差及尺寸

[中文适用范围]： 适用于表 1 中规定的尺寸、第 4 条所列钢种的热轧弹簧钢，优选用于轨道车辆结构。 规定尺寸和公差、材料、交付方式和测试。 [外文原描述]： Applies to hot-rolled spring steel with the dimensions stated in table 1, of the steel grades listed in clause 4, which are preferably used for rail vehicle construction. Specifies dimensions and tolerances, material, mode of delivery and testing.