SAE AMS6490J-2018
钢棒 锻件 和管材 4.0Cr 4.2Mo 1.0V(0.77 0.85C)(M-50)用于轴承应用的优质飞机质量自耗电极真空熔化(UNS T11350)
Steel Bars@ Forgings@ and Tubing 4.0Cr - 4.2Mo - 1.0V (0.77 - 0.85C) (M-50) Premium Aircraft-Quality for Bearing Applications Consumable Electrode Vacuum Melted (UNS T11350)