SAE AMS7857
Columbium (Niobium) Alloy Bars, Rods, and Extrusions 10Hf - 1.0Ti, Recrystallization Annealed.
Standard:
AKA:
- AMS7857
- 1984-10-01
- Historical. Access the latest revision: AMS7857C
- Ams G Titanium And Refractory Metals Committee
This specification covers a columbium alloy in the form of bars, rods, and extrusions.
This material has been used typically for parts requiring exposure at ultra-high temperatures, but usage is not limited to such applications. Applications in oxidizing atmospheres necessitate a protective coating.
History:| Standard | Published | Revision | Status |
|---|---|---|---|
| AMS7857C | 2013-05-23 | Latest | |
| AMS7857B | 2003-10-03 | Historical | |
| AMS7857A | 1991-01-01 | Historical | |
| AMS7857 | 1984-10-01 | Historical |
- SAE AMS 7857
- Aerospace
- Metallurgy
- Beryllium alloys
- Nonferrous alloys
- Titanium alloys
- Titanium
- Materials properties
- Refractory materials
- Beryllium