| SAE | SAE AMS6280 | Steel Bars, Forgings, Rings and Forging Stock, 0.50Cr - 0.55Ni - 0.20Mo (0.28 - 0.33C) (SAE 8630) |  | 
              
              
                | SAE | SAE AMS6382 | Steel, Bars, Forgings, Rings, and Stock for Forging or Flash Welded Rings, Aircraft Quality, 0.95Cr - 0.20Mo (0.38 - 0.43C) (4140), Annealed_x000D_ |  | 
              
              
                | SAE | SAE AMS6322 | Steel Bars, Forgings, and Rings and Stock for Forging or Flash Welded Rings, Aircraft-Quality 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (8740) |  | 
              
              
                | SAE | SAE AMS6429 | Steel Bars, Forgings, Mechanical Tubing, Rings and Stock for Forgings and Rings, 0.78Cr - 1.8Ni - 0.35Mo - 0.20V (0.33 - 0.38C) (4335 Mod) Premium Aircraft Quality Consumable Electrode Vacuum Remelted_x000D_ |  | 
              
              
                | SAE | SAE AMS6430 | Steel, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forging and Rings, 0.75Mn - 0.78Cr - 1.8Ni - 0.35Mo - 0.20V (0.32-0.38C) (4335 Modified) |  | 
              
              
                | SAE | SAE AMS6525 | Steel, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forgings and Rings, 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C), Consumable Electrode Vacuum Melted, Annealed |  | 
              
              
                | SAE | SAE AMS6526 | Steel, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forgings and Rings, 1.0Cr - 7.5Ni - 4.5Co - 1.0Mo - 0.09V (0.29 - 0.34C), Consumable Electrode Vacuum Remelted, Annealed |  | 
              
              
                | SAE | SAE AMS6320 | Steel Bars, Forgings, Rings and Forging Stock, 0.50Cr - 0.55Ni - 0.25Mo (0.33 - 0.38C) (8735) |  | 
              
              
                | SAE | SAE AMS6515 | Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forgings and Rings, 18.5Ni - 12.0Co - 4.9Mo - 1.40Ti - 0.10Al, Premium Aircraft Quality, Double Vacuum Melted, Annealed (Maraging 350) |  | 
              
              
                | SAE | SAE AMS6511 | Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Stock for Forging and Rings, 18Ni - 8.5Co - 3.2Mo - 0.20Ti - 0.10Al, Double Vacuum Melted, Annealed |  | 
              
              
                | SAE | SAE AMS5613 | Steel, Corrosion and Heat Resistant, Bars, Wire, Forgings, Forging and Ring Stock, Mechanical Tubing, and Rings, 12.5Cr (SAE 51410), Annealed |  | 
              
              
                | SAE | SAE AMS6514 | Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings and Forging Stock, 18.5Ni - 9.0Co - 4.9Mo - 0.65Ti - 0.10Al, Consumable Electrode Vacuum Melted, Annealed |  | 
              
              
                | SAE | SAE AMS6512 | Steel, Maraging, Bars, Forgings, Mechanical Tubing, Rings, and Forging Stock, 18Ni - 7.8Co - 4.9Mo - 0.40Ti - 0.10Al, Consumable Electrode Vacuum Melted, Annealed |  | 
              
              
                | SAE | SAE AMS5639 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings and Forging and Ring Stock, 19Cr - 10Ni, Solution Heat Treated |  | 
              
              
                | SAE | SAE AMS5773 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, Rings, and Stock for Forgings or Rings, 15Cr - 6.5Ni - 0.75Mo - 0.30Cb (Nb) - 1.5Cu Consumable Electrode Remelted, Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS6290 | Steel, Bars, Forgings, and Forging Stock, Carburizing, 1.8Ni - 0.25Mo (0.11 - 0.17C) (SAE 4615) |  | 
              
              
                | SAE | SAE AMS5611 | Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Forging and Ring Stock, Mechanical Tubing, and Rings 12Cr _x000D_
Ferrite Controlled, Annealed, Consumable Electrode Melted |  | 
              
              
                | SAE | SAE AMS6257 | Steel Bars, Forgings, Forging Stock, and Mechanical Tubing, 1.6Si - 0.82Cr - 1.8Ni - 0.40Mo - 0.08V (0.40 - 0.44C), Consumable Electrode Vacuum Remelted, Normalized and Tempered_x000D_ |  | 
              
              
                | SAE | SAE AMS6519 | Steel, Maraging, Bars, Forgings, Mechanical Tubing, Flash-Welded Rings, and Stock for Forging and Flash-Welded Rings, 19Ni - 3.0Mo - 1.4Ti - 0.10Al (Alloy T250), Premium Aircraft Quality, Double Vacuum Melted, Annealed |  | 
              
              
                | SAE | SAE AMS6527 | Steel, Bars, Forgings, and Forging Stock, 2.0Cr - 10Ni - 14Co - 1.0Mo (0.15 - 0.19C), Vacuum Melted, Normalized and Overaged |  | 
              
              
                | SAE | SAE AMS6487 | Steel, Bars, Forgings, and Forging Stock 5.0Cr - 1.3Mo - 0.50V (0.38 - 0.43C) (H-11) Consumable Electrode Vacuum Re-Melted |  | 
              
              
                | SAE | SAE AMS6303 | Steel Bars, Forgings and Forging Stock, Low Alloy, Heat-Resistant, 0.65Si - 1.25Cr - 0.50Mo - 0.85V (0.25 - 0.30C) |  | 
              
              
                | SAE | SAE AMS5848 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Extrusions, Mechanical Tubing, Rings, and Stock for Forgings, Extrusions, and Rings, Wear and Galling Resistant, 8.0Mn - 4.0Si - 17Cr - 8.5Ni - 0.13N Solution Heat Treated |  | 
              
              
                | SAE | SAE AMSS18732 | Steel Bars, Wire, Forging Stock, Forgings, Tubing (431),  Special Quality |  | 
              
              
                | SAE | SAE AMS6292 | Steel Bars and Forgings and Forging Stock, Carburizing, Aircraft Quality, 1.8Ni - 0.25Mo - (0.15 - 0.20C), (SAE 4617) |  |