Steel, Bars and Forgings and Forging Stock, 2.0Cr - 10Ni - 8.0Co - 1.0Mo (0.10 - 0.14C) (HY-180), Double Vacuum Melted, Solution Heat Treated, Marage Hardenable
STANDARD published on 1.5.2026
Designation standards: SAE AMS6543H
Publication date standards: 1.5.2026
Country: American technical standard
Category: Technical standards SAE
This specification covers a premium aircraft-quality maraging steel in the form of bars and forgings, 0.50 to 8.00 inches (12.7 to 203.2 mm) in nominal diameter or least distance between parallel sides, and forging stock of any size.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification
Stabilized: May 2026 