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SAE AMS4991D
- Titanium Alloy Castings, Investment 6Al - 4V Hot Isostatic Pressed, Anneal Optional
- standard by SAE International, 04/19/2010
- Publisher: SAE
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This specification covers a titanium alloy in the form of investment castings having four grades of permissible discontinuities.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 \mDF (399 \mDC), but usage is not limited to such applications.