| BSI | BS EN 4671 | Aerospace series. Steel FE-PM1506 (X1CrNiMoAlTi12-10-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Forgings. a or D ≤ 200 mm. Rm ≥ 1400 MPa |  | 
              
              
                | SAE | SAE AMS5442 | Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, and Rings Ni - 18Cr - 2.8Mo - 5.5Cb(Nb) - 0.70Ti - 1.50Al - 10Fe - 9Co - 1W Consumable Electrode Remelted or Vacuum Induction Melted 1775 °F (968 °C) Solution and Precipitation Heat Treated |  | 
              
              
                | BSI | BS EN 3528 | Aerospace series. Steel X2NiCoMo18-8-5 (1.6359). Vacuum induction melted and vacuum arc remelted. Solution treated and precipitation treated. Bar. a or D ≤ 150 mm. 1 750 MPa ≤ Rm ≤ 2 000 MPa |  | 
              
              
                | BSI | BS EN 4656 | Aerospace series. Steel FE-PM1507 (X1CrNiMoAlTi12-11-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Bars. a or D ≤ 200 mm. Rm ≥ 1520 MPa |  | 
              
              
                | SAE | SAE AMS5617 | Steel, Corrosion-Resistant, Bars, Wire, Forgings and Forging Stock 12Cr - 8.5Ni - 1.2Ti - 2.0Cu Vacuum Induction Plus Vacuum Consumable Electrode Melted Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS5622 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Mechanical Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat Treated, Precipitation Hardenable Consumable Electrode Remelted_x000D_
_x000D_ |  | 
              
              
                | SAE | SAE AMS5629 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, Rings, and Extrusions, 13Cr - 8.0Ni - 2.2Mo - 1.1Al, Vacuum Induction Plus Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS5920 | Cobalt-Nickel Alloy, Corrosion- and Heat-Resistant, Round Bars 19Cr - 36Co - 25Ni - 7.0Mo - 0.50Cb (Nb) - 2.9Ti - 0.20Al - 9.0Fe Vacuum Induction Plus Vacuum Consumable Electrode Melted Solution Heat Treated, Work-Strengthened, and Aged, Modified Strength |  | 
              
              
                | BSI | BS EN 4884 | Aerospace series. Steel X3CrNiMoAl (1.4534). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Bars for machining. a or D = 200 mm. 1 200 MPa = Rm = 1 350 MPa. |  | 
              
              
                | SAE | SAE AMS5919 | Cobalt-Nickel Alloy, Corrosion- and Heat-Resistant, Round Bars 19Cr - 36Co - 25Ni - 7.0Mo - 0.50Cb (Nb) - 2.9Ti - 0.20Al - 9.0Fe Vacuum Induction Plus Vacuum Consumable Electrode Melted Solution Heat Treated and Work Strengthened, Modified Strength |  | 
              
              
                | SAE | SAE AMS5578 | Steel, Corrosion- and Heat-Resistant, Welded Tubing, 12Cr - 8.5Ni - 0.30Cb - 1.1Ti - 2.0Cu, Vacuum Induction Plus Consumable Electrode Vacuum Melted, Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS5614 | Steel, Corrosion- and Heat-Resistant, Bars, Wire, Forgings, and Forging Stock, 12Cr - 0.50Mo (410 plus Mo), Annealed |  | 
              
              
                | 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 AMS5545 | Nickel Alloy, Corrosion- and Heat-Resistant, Sheet, Strip, and Plate, 54Ni - 19Cr - 11Co - 9.8Mo - 3.2Ti - 1.5Al - 0.006B (Rene 41), Vacuum Induction and Consumable Electrode Melted, Solution Heat Treated, Precipitation Heat Treatable |  | 
              
              
                | BSI | BS EN 4659 | Aerospace series. Steel FE-PM1507 (X1CrNiMoAlTi12-11-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Forgings. a or D ≤ 200 mm. R$dm ≥ 1650 MPa |  | 
              
              
                | SAE | SAE AMS5441 | Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, and Rings, Ni - 18Cr - 2.8Mo - 5.5Cb (Nb) - 0.70Ti - 1.50Al - 10Fe - 9Co - 1W, Consumable Electrode Remelted or Vacuum Induction Melted, 1775 °F (968 °C) Solution Heat Treated, Precipitation-Hardenable |  | 
              
              
                | BSI | BS EN 4657 | Aerospace series. Steel FE-PM1507 (X1CrNiMoAlTi12-11-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Bars. a or D ≤ 200 mm. Rm ≥ 1650 MPa |  | 
              
              
                | BSI | BS EN 4655 | Aerospace series. Steel FEPM1506 (X1CrNiMoAlTi12-10-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Bars. a or D ≤ 200 mm. Rm ≥ 1400 MPa |  | 
              
              
                | SAE | SAE AMS5598 | Nickel Alloy, Corrosion- and Heat-Resistant, Sheet, Strip, and Plate 72Ni - 15.5Cr - 0.95 (Cb [Nb] + Ta) - 2.5Ti - 0.70Al - 7.0Fe (X750) Consumable Electrode, Remelted or Vacuum Induction Melted, Solution Heat Treated, Precipitation-Hardenable |  | 
              
              
                | BSI | BS EN 4658 | Aerospace series. Steel FE-PM1507 (X1CrNiMoAlTi12-11-2). Vacuum induction melted and consumable electrode remelted. Solution treated and precipitation treated. Forgings. a or D ≤ 200 mm. R$dm ≥ 1520 MPa |  | 
              
              
                | SAE | SAE AMS5955 | Steel, Corrosion-Resistant, Bars, Wire, Forgings, and Forging Stock, 10Cr - 12Ni - 2Mo - 1.45Al - 1.15Ti, Vacuum Induction Plus Vacuum Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable_x000D_ |  | 
              
              
                | SAE | SAE AMS5937 | Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 12Cr - 11Ni - 2Mo - 1.5Al - 0.3Ti, Vacuum Induction Plus Vacuum Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS5938 | Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 10Cr - 12Ni - 2Mo - 1.45Al - 1.15Ti, Vacuum Induction Plus Vacuum Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable |  | 
              
              
                | SAE | SAE AMS5951 | Nickel Alloy, Corrosion- and Heat-Resistant, Sheet, Strip, and Plate, 57Ni - 20Cr - 10Co - 8.5Mo - 2.1Ti - 1.5Al - 0.005B, Vacuum Induction and Consumable Electrode Melted, Solution Heat Treated, Precipitation Heat Treatable |  | 
              
              
                | SAE | SAE AMS5935 | Steel, Corrosion-Resistant, Bars, Wire, Forgings and Forging Stock, 12Cr - 10Ni - 2Mo - 0.9Al - 0.3Ti, Vacuum Induction Plus Vacuum Consumable Electrode Melted, Solution Heat Treated, Precipitation Hardenable |  |