Annotation of standard text SAE AMS7857D :
This specification covers a columbium (niobium) alloy in the form of bars, rods, and extrusions.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification
Stabilized: May 2026 
Columbium (Niobium) Alloy Bars, Rods, and Extrusions 10Hf - 1.0Ti, Recrystallization Annealed
NORMA vydána dne 1.5.2026
Designation standards: SAE AMS7857D
Publication date standards: 1.5.2026
Country: American technical standard
Kategorie: Technické normy SAE
This specification covers a columbium (niobium) alloy in the form of bars, rods, and extrusions.
SUBFILE: Aerospace
TYPE OF DOCUMENT: Aerospace Material Specification
Stabilized: May 2026