Columbium (Niobium) Sheet, Strip, Plate, and Foil

Standard:
Revised:
  • 2009-12-18
 
  • HISTORICAL Access the latest revision: AMS7850E
Publisher:
  • SAE International
Pages:
5
Scope:

This specification covers columbium in the form of sheet, strip, plate, and foil. This material has been used typically for parts requiring exposure to ultra-high temperatures, but usage is not limited to such applications. Applications in oxidizing atmospheres necessitate a protective coating. Although produced in the cold rolled condition, this material is intended to be used in the annealed condition.

Rationale:

AMS7850D is a Five Year Review and update of this specification.

History:
Standard Published Revision Status
AMS7850E 2017-04-25 Latest Reaffirmed
2009-12-18 Historical Revised
2006-07-10 Historical Reaffirmed
1990-10-01 Historical Revised
1976-07-01 Historical Revised
1960-06-01 Historical Issued
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