This specification covers a premium aircraft-quality alloy steel in the form of bars, forgings, and forging stock.
These products have been used typically for heat treated parts requiring a combination of high strength, high toughness, and weldability, but usage is not limited to such applications. Product after heat treatment should attain a minimum tensile strength of 280 ksi (1931 MPa) and yield strength of 235 ksi (1620 MPa).
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Steel, Bars and Forgings, 3.1Cr - 11.5Ni - 13.5Co - 1.2Mo (0.21 - 0.25C), Vacuum Melted, Annealed, Heat Treatable to 290 ksi (1999 MPa) Tensile Strength
Steel, Corrosion-Resistant, Plate 13Cr - 8.0Ni - 2.2Mo - 1.1Al Vacuum Induction Plus Consumable Electrode Melted Solution Heat Treated, Precipitation Hardenable
Steel, Corrosion-Resistant, Bars, Wire, and Forgings 12Cr - 11Ni - 1.7Ti - 1Mo Vacuum Induction Plus Vacuum Consumable Electrode Remelted Solution Heat Treated, Precipitation Hardenable
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