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SAE AMS4991
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SAE AMS4991 Revision F, April 1, 2018
Titanium Alloy Castings, Investment 6Al - 4V Hot Isostatic Pressed, Anneal
Optional
Description / Abstract:
Form
This specification covers a titanium alloy in the forms of investment castings having four grades of permissible discontinuities.
Application
These castings have been used typically for parts of intricate design requiring a combination of good strength-to-weight ratio, creep and fatigue properties, and corrosion resistance up to 750 °F (399 °C), but usage is not limited to such applications.
Classification
Quality grades A, B, C, and D are defined in 3.7. If a specific grade is not specified (see 8.2.1), Grade C or better shall be supplied.
This specification covers a titanium alloy in the forms of investment castings having four grades of permissible discontinuities.
Application
These castings have been used typically for parts of intricate design requiring a combination of good strength-to-weight ratio, creep and fatigue properties, and corrosion resistance up to 750 °F (399 °C), but usage is not limited to such applications.
Classification
Quality grades A, B, C, and D are defined in 3.7. If a specific grade is not specified (see 8.2.1), Grade C or better shall be supplied.
SAE AMS4991 Revision F, April 1, 2018
Titanium Alloy Castings, Investment 6Al - 4V Hot Isostatic Pressed, Anneal
Optional