Browse Standards AMS7850D
Historical Revised 2009-12-18

Columbium (Niobium) Sheet, Strip, Plate, and Foil AMS7850D

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.
AMS7850E
2017-04-25
Latest
Reaffirmed
AMS7850D
2009-12-18
Historical
Revised
AMS7850C
2006-07-10
Historical
Reaffirmed
AMS7850B
1990-10-01
Historical
Revised
AMS7850A
1976-07-01
Historical
Revised
AMS7850
1960-06-01
Historical
Issued

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