SAE AMS6543E
SAE AMS6543E 2011-JUN-01 Steel Bars and Forgngs 20Cr - 10N - 80Co - 10Mo 010 - 014C HY-180 Double Vacuum Melted Soluton Heat Treated Marage Hardenable-UNS K91970
SAE AMS6543E 2011-JUN-01 Steel Bars and Forgngs 20Cr - 10N - 80Co - 10Mo 010 - 014C HY-180 Double Vacuum Melted Soluton Heat Treated Marage Hardenable-UNS K91970
Form
This specification covers a premium aircraft-quality maraging steel in the form of bars 0.50 inch (12.7 mm) and over in nominal diameter or least distance between parallel sides, forgings, and forging stock.
Application
These products have been used typically for heat treated parts requiring a combination of high strength, toughness, and weldability, but usage is not limited to such applications.