36SMn14 38SMn28 36SMnPb14 38SMnPb28 44SMn28 46SPb20 44SMnPb28 46S20   /13MF4 18MF5 35MF6 45MF6.1 45MF6
6弹簧钢和轴承钢：C42 40Si7 36NiCrMo16 45Cr4 45SiCrMo6 45SiCrV6 46Si7 50SiCrMo6 51Si7 51CrMoV4 51CrV4 52SiCrNi5 55Cr3 54SiCr6 54SiCrV6 56Si7 56SiCr7 56SiCrV7 60Cr3 60CrMo3 60CrMo4