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 parts requiring a combination of high strength, high toughness, and weldability, but usage is not limited to such applications. Product after proper heat treatment should attain a minimum tensile strength of 290 ksi (1999 MPa) and yield strength of 245 ksi (1689 MPa).
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Aluminum Alloy Forgings 7.7Zn - 2.5Mg - 1.5Cu - 0.16Cr (7149-T73) Solution and Precipitation Heat Treated
Steel, Bars and Forgings 3.1Cr - 11.5Ni - 13.5Co - 1.2Mo (0.21 - 0.25C) Vacuum Melted, Normalized and Overaged Precipitation Hardenable
Steel, Corrosion-Resistant, Plate 13Cr - 8.0Ni - 2.2Mo - 1.1Al Vacuum Induction Plus Consumable Electrode Melted Solution Heat Treated, Precipitation Hardenable
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